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Top reports from Nextcloud program at HackerOne:

  1. Code injection possible with malformed Nextcloud Talk chat commands to Nextcloud - 314 upvotes, $3000
  2. User can delete data in shared folders he's not autorized to access to Nextcloud - 165 upvotes, $250
  3. Access to all files of remote user through shared file to Nextcloud - 149 upvotes, $750
  4. Attacker can obtain write access to any federated share/public link to Nextcloud - 135 upvotes, $4000
  5. Missing ownership check on remote wipe endpoint to Nextcloud - 127 upvotes, $500
  6. Remote Code Execution via Extract App Plugin to Nextcloud - 121 upvotes, $0
  7. Re-Sharing allows increase of privileges to Nextcloud - 90 upvotes, $750
  8. No rate limiting for confirmation email lead to huge Mass mailings to Nextcloud - 78 upvotes, $0
  9. User deletion is not handled properly everywhere to Nextcloud - 75 upvotes, $1000
  10. Arbitrary SQL command injection to Nextcloud - 73 upvotes, $500
  11. Nextcloud Desktop Client RCE via malicious URI schemes to Nextcloud - 72 upvotes, $1000
  12. File-drop content is visible through the gallery app to Nextcloud - 68 upvotes, $500
  13. Arbitrary code execution in desktop client via OpenSSL config to Nextcloud - 59 upvotes, $100
  14. Extremly simple way to bypass Nextcloud-Client PIN/Fingerprint lock to Nextcloud - 56 upvotes, $100
  15. Default Nextcloud Server and Android Client leak sharee searches to Nextcloud to Nextcloud - 53 upvotes, $750
  16. Clear text storage of proxy parameters and passwords to Nextcloud - 53 upvotes, $250
  17. Stored XSS in collabora via user name to Nextcloud - 48 upvotes, $0
  18. XSS in Desktop Client in the notifications to Nextcloud - 47 upvotes, $750
  19. Two-factor authentication enforcement bypass to Nextcloud - 46 upvotes, $750
  20. Download permissions can be changed by resharer to Nextcloud - 44 upvotes, $500
  21. SSL certificate not validated when registering with a provider to Nextcloud - 42 upvotes, $300
  22. Memory Leak in OCUtil.dll library in Desktop client can lead to DoS to Nextcloud - 40 upvotes, $100
  23. http://www.nextcloud.com/wp-includes/js/swfupload/swfupload.swf allows open redirect / site defacement to Nextcloud - 38 upvotes, $0
  24. [Reflected XSS] In Request URL to Nextcloud - 37 upvotes, $50
  25. Remote code execution via path traversal in Zip extraction in the Extract app to Nextcloud - 37 upvotes, $0
  26. Scoped apptokens can be changed by that very apptoken to Nextcloud - 36 upvotes, $1000
  27. Expired reshare links allow access to all files in share to Nextcloud - 36 upvotes, $400
  28. No session logout after changing password & alsoandroid sessions not shown in sessions list so they can be deleted to Nextcloud - 35 upvotes, $50
  29. No password length limit when creating a user as an administrator to Nextcloud - 35 upvotes, $0
  30. Cross site scripting - XSRF Token to Nextcloud - 32 upvotes, $0
  31. 2FA Session not expires after the password reset to Nextcloud - 31 upvotes, $50
  32. SQL Injection found in NextCloud Android App Content Provider to Nextcloud - 30 upvotes, $150
  33. Group admins can remove arbitrary data from "data" directory (including admin data) to Nextcloud - 30 upvotes, $150
  34. Passwords being stored as plain text in logging to Nextcloud - 30 upvotes, $0
  35. I am because bug to Nextcloud - 29 upvotes, $0
  36. Reflected XSS in error pages (NC-SA-2017-008) to Nextcloud - 28 upvotes, $450
  37. Code injection in macOS Desktop Client to Nextcloud - 28 upvotes, $250
  38. Database error shown to the user when using a long guest name in richdocuments to Nextcloud - 28 upvotes, $0
  39. CSRF vulnerability that allows an attacker to modify encryption settings to Nextcloud - 27 upvotes, $0
  40. Arbitrary read of all SVG files on a Nextcloud server to Nextcloud - 26 upvotes, $1250
  41. SSRF via potential filter bypass with too lax local domain checking to Nextcloud - 26 upvotes, $250
  42. SSRF via filter bypass due to lax checking on IPs to Nextcloud - 25 upvotes, $250
  43. Blind Stored XSS on iOS App due to Unsanitized Webview to Nextcloud - 24 upvotes, $100
  44. SMTP Command Injection in Appointment Emails via Newlines to Nextcloud - 23 upvotes, $250
  45. Persistent XSS via filename in projects to Nextcloud - 23 upvotes, $150
  46. Leak arbitrary file under nextcloud android client privacy directory to Nextcloud - 23 upvotes, $100
  47. Bypass of privacy filter / tracking pixel blocker to Nextcloud - 23 upvotes, $100
  48. Passcode bypass on Talk Android app to Nextcloud - 23 upvotes, $100
  49. Stored XSS on Share-popup of a directory's Gallery-view to Nextcloud - 22 upvotes, $750
  50. Ratelimiting can be bypassed using IPv6 subnets to Nextcloud - 21 upvotes, $250
  51. XSS in PDF Viewer to Nextcloud - 21 upvotes, $100
  52. Profile of disabled user stays accessible to Nextcloud - 21 upvotes, $100
  53. https://help.nextcloud.com::: Web cache poisoning attack to Nextcloud - 21 upvotes, $0
  54. Missing brute force protection on password confirmation modal to Nextcloud - 20 upvotes, $250
  55. "Secure View" aka "Hide Download" can be bypassed easily to Nextcloud - 20 upvotes, $100
  56. Session fixation on public talk links to Nextcloud - 20 upvotes, $100
  57. XSS through image upload of contacts using svg file with png extension to Nextcloud - 20 upvotes, $0
  58. CSRF vulnerability in Nextcloud Desktop Client 3.6.1 on Windows when clicking malicious link to Nextcloud - 19 upvotes, $1250
  59. Notification implicit PendingIntent in com.nextcloud.client allows to access contacts to Nextcloud - 19 upvotes, $250
  60. SMTP Command Injection in iCalendar Attachments to Emails via Newlines to Nextcloud - 19 upvotes, $250
  61. SQLi allow query restriction bypass on exposed FileContentProvider to Nextcloud - 19 upvotes, $100
  62. Gallery: No feedback for invalid password to Nextcloud - 19 upvotes, $50
  63. OAuth2 Access Token and App Password Security Vulnerability to Nextcloud - 18 upvotes, $400
  64. Log pollution can lead to HTML Injection. to Nextcloud - 18 upvotes, $350
  65. Username and Access Token Disclousure to Nextcloud - 18 upvotes, $250
  66. Denial of Service by requesting to reset a password to Nextcloud - 18 upvotes, $250
  67. XSS through image upload of contacts using svg file to Nextcloud - 18 upvotes, $100
  68. Session fixation in password protected public download. to Nextcloud - 18 upvotes, $50
  69. Server side request forgery (SSRF) on nextcloud implementation. to Nextcloud - 18 upvotes, $0
  70. IDOR unsubscribe Anyone from NextClouds Newsletters by knowing their Email to Nextcloud - 18 upvotes, $0
  71. [user_oidc] Unencrypted Communications to Nextcloud - 18 upvotes, $0
  72. bypass of 2FA to Nextcloud - 17 upvotes, $750
  73. Folder architecture and Filesizes of private file drop shares can be getten to Nextcloud - 17 upvotes, $500
  74. SSRF protection bypass to Nextcloud - 17 upvotes, $100
  75. Ransomware protection is missing extentions take 2 to Nextcloud - 17 upvotes, $100
  76. public webdav endpoint not bruteforce protected to Nextcloud - 17 upvotes, $100
  77. [user_oidc] Stored XSS via Authorization Endpoint - Safari-Only to Nextcloud - 17 upvotes, $100
  78. Reflected XSS / Markup Injection in index.php/svg/core/logo/logo parameter color to Nextcloud - 17 upvotes, $50
  79. DOM XSS vulnerability in search dialogue (NC-SA-2017-007) to Nextcloud - 16 upvotes, $250
  80. User with read-only access to a share can gain write access to sub-folders in the share to Nextcloud - 16 upvotes, $250
  81. Clients do not verify server public key to Nextcloud - 16 upvotes, $250
  82. Sensitive files/ data exists post deletion of user account to Nextcloud - 16 upvotes, $150
  83. Access control issue -- [Allow file system access not validated when using session auth] to Nextcloud - 16 upvotes, $100
  84. XSS in desktop client via invalid server address on login form to Nextcloud - 16 upvotes, $100
  85. Reflected XSS when renaming a file with a vulnerable name which results in an error to Nextcloud - 16 upvotes, $100
  86. Authentication Issue to Nextcloud - 16 upvotes, $50
  87. Response Header injection using redirect_uri together with PHP that utilizes Header Folding according to RFC1945 and Internet Explorer 11 to Nextcloud - 16 upvotes, $0
  88. Possible denial of service when entering a loooong password to Nextcloud - 16 upvotes, $0
  89. Access control missing while viewing the attachments in the "All boards" to Nextcloud - 15 upvotes, $150
  90. Non-admin users can trigger writes to memcached by entering a malicious server as a share URL to Nextcloud - 15 upvotes, $100
  91. Missing server side controls when editing the board’s sharing permissions per user to Nextcloud - 15 upvotes, $100
  92. Android - Possible to intercept broadcasts about uploaded files to Nextcloud - 15 upvotes, $0
  93. https://xmpp.nextcloud.com///;@www.google.com allows open redirect to Nextcloud - 15 upvotes, $0
  94. Password disclosure in initial setup of Mail App to Nextcloud - 15 upvotes, $0
  95. Cards in Deck are readable by any user to Nextcloud - 14 upvotes, $825
  96. Messages can still be seen on conversation after expiring when cron is misconfigured to Nextcloud - 14 upvotes, $150
  97. Registered users can change app password permissions for any user to Nextcloud - 14 upvotes, $100
  98. Nextcloud domain and name of every user leaked to lookup server to Nextcloud - 14 upvotes, $100
  99. Docker image with FPM is vulnerable to CVE-2019-11043 to Nextcloud - 14 upvotes, $100
  100. Unrestricted file upload on the image of contacts to Nextcloud - 14 upvotes, $100
  101. When sharing a Deck card in conversation the metaData can be manipulated to open arbitrary URL to Nextcloud - 14 upvotes, $100
  102. Nextcloud 10.0 privilege escalation issue - Normal user can mask external storage shared by admin to Nextcloud - 14 upvotes, $50
  103. Unauthenticated Stored xss to Nextcloud - 14 upvotes, $0
  104. Content Spoofing /Text Injection in https://docs.nextcloud.com to Nextcloud - 14 upvotes, $0
  105. Talk Android broadcast receiver is not protected by broadcastPermission allowing malicious apps to communicate to Nextcloud - 14 upvotes, $0
  106. Guests can continue to receive video streams from call after being removed from a conversation to Nextcloud - 14 upvotes, $0
  107. Lack of bruteforce protection for TOTP 2FA to Nextcloud - 13 upvotes, $750
  108. File drop public link can also be converted to federated share to Nextcloud - 13 upvotes, $500
  109. Linux client is vulnerable to directory traversal when downloading files to Nextcloud - 13 upvotes, $250
  110. Unauthenticated SSRF in 3rd party module "cerdic/csstidy" to Nextcloud - 13 upvotes, $250
  111. Only the file extensions are checked, not the MIME types as configured to Nextcloud - 13 upvotes, $175
  112. Combination of content provider allows private data disclosure to Nextcloud - 13 upvotes, $100
  113. Delete permission can be added on reshare to Nextcloud - 13 upvotes, $100
  114. Access Control: Inject tasks into other users decks to Nextcloud - 13 upvotes, $100
  115. Android app does not clear end to end encryption keys to Nextcloud - 13 upvotes, $100
  116. Talk / spreed: Disclosure of Room names and participants for password protected rooms to Nextcloud - 13 upvotes, $50
  117. Design Issues on ( ███ ) Lead to show ( IPS of Users ) to Nextcloud - 13 upvotes, $0
  118. Content Spoofing/Text Injection in https://demo.nextcloud.com to Nextcloud - 13 upvotes, $0
  119. Database resource exhaustion for logged-in users via sharee recommendations with circles to Nextcloud - 12 upvotes, $250
  120. Stored XSS in markdown file with Nextcloud Talk using Internet Explorer to Nextcloud - 12 upvotes, $150
  121. Virtual Data Room / Hide download on collabora is easy to bypass to Nextcloud - 12 upvotes, $150
  122. Possible denial of service when entering a loooong password to Nextcloud - 12 upvotes, $100
  123. Remote attacker can impersonate Social users via ActivityPub API to Nextcloud - 12 upvotes, $50
  124. WordPress <= 4.6.1 Stored XSS Via Theme File to Nextcloud - 12 upvotes, $0
  125. Disclosure of administrators via JSON on nextcloud.com Wordpress to Nextcloud - 12 upvotes, $0
  126. Wordpress 4.7.1 to Nextcloud - 12 upvotes, $0
  127. https://portal.nextcloud.com/.htaccess file is readable to Nextcloud - 12 upvotes, $0
  128. Email Spoofing Vulnerability from nextcloud. to Nextcloud - 12 upvotes, $0
  129. Predictable Random Number Generator to Nextcloud - 12 upvotes, $0
  130. Take over a mail account due missing validation of account id to Nextcloud - 12 upvotes, $0
  131. Disabled download shares still allow download through preview images to Nextcloud - 12 upvotes, $0
  132. HEIC image preview can be used to invoke Imagick to Nextcloud - 12 upvotes, $0
  133. Reference caching can leak data to unauthorized users to Nextcloud - 12 upvotes, $0
  134. Suspicious login app ships old league/flysystem version to Nextcloud - 12 upvotes, $0
  135. End to end encryption public key is not properly verified on Desktop and Android to Nextcloud - 11 upvotes, $1500
  136. Possibility to delete files attached to deck cards of other users to Nextcloud - 11 upvotes, $500
  137. Lack of Brute force protection while joining video call in talk section which is password protected to Nextcloud - 11 upvotes, $250
  138. Access to arbitrary file of the Nextcloud Android app from within the Nextcloud Android app to Nextcloud - 11 upvotes, $250
  139. Chat room member disclosure via autocomplete API to Nextcloud - 11 upvotes, $150
  140. Bypassing lock protection to Nextcloud - 11 upvotes, $50
  141. No Rate Limiting on stats.nextcloud.com login to Nextcloud - 11 upvotes, $0
  142. Content spoofing in lookup.nextcloud.com to Nextcloud - 11 upvotes, $0
  143. Exposing debug.log file leads to server full path disclosure to Nextcloud - 11 upvotes, $0
  144. xmlrpc.php is enabled - Nextcloud to Nextcloud - 11 upvotes, $0
  145. WordPress vulnerable to multiple attacks at https://nextcloud.com to Nextcloud - 11 upvotes, $0
  146. Information exposure in in guzzlehttp/guzzle (https://github.com/nextcloud/3rdparty/tree/master/guzzlehttp/guzzle) to Nextcloud - 11 upvotes, $0
  147. Exposed Log File Lead to Full Internal path disclosure at [https://nextcloud.com/wp-content/debug.log] to Nextcloud - 11 upvotes, $0
  148. Mail app stores cleartext password in database until OAUTH2 setup is done to Nextcloud - 11 upvotes, $0
  149. Desktop client can be tricked into opening/executing local files when clicking a nc://open/ link to Nextcloud - 10 upvotes, $750
  150. Default settings leak federated cloud id to lookup server of all users to Nextcloud - 10 upvotes, $350
  151. Able to bypass "Device credentials" Lock to Nextcloud - 10 upvotes, $100
  152. index.php/apps/files_sharing/shareinfo endpoint is not properly protected to Nextcloud - 10 upvotes, $100
  153. Add to your nextcloud endpoint is not properly protected to Nextcloud - 10 upvotes, $100
  154. High memory usage for generating preview of broken image to Nextcloud - 10 upvotes, $100
  155. Improper input-size validation on the user new session name can result in server-side DDoS. to Nextcloud - 10 upvotes, $100
  156. bypass forced password protection via circles app to Nextcloud - 10 upvotes, $100
  157. Group admin can remove user from all his groups via API to Nextcloud - 10 upvotes, $0
  158. Reflected XSS in U2F plugin by shipping the example endpoints to Nextcloud - 10 upvotes, $0
  159. Invalid request may lead content spoofing for phishing to Nextcloud - 10 upvotes, $0
  160. bug reporting template encourages users to paste config file with passwords to Nextcloud - 10 upvotes, $0
  161. The session token in the URL to Nextcloud - 10 upvotes, $0
  162. Stored XSS in OAuth redirect URI to Nextcloud - 10 upvotes, $0
  163. In Dockerized Environments, Failing to Read config.php Grants Any Anonymous User Full Admin Access to Nextcloud - 10 upvotes, $0
  164. User Editable nextcloud Wiki pages of Public Repositories to Nextcloud - 10 upvotes, $0
  165. The password recovery let users know whether an email address exists or not in the website to Nextcloud - 10 upvotes, $0
  166. Self xss to Nextcloud - 10 upvotes, $0
  167. XSS in image metadata field to Nextcloud - 10 upvotes, $0
  168. No rate limiting on sinup page to Nextcloud - 10 upvotes, $0
  169. Clickjacking URLS to Nextcloud - 10 upvotes, $0
  170. RCE on 17 different Docker containers on your network to Nextcloud - 10 upvotes, $0
  171. Last video frame is still sent after video is disabled in a call to Nextcloud - 10 upvotes, $0
  172. Bypass permissions to Nextcloud - 9 upvotes, $750
  173. Trusted servers exchange can be triggered by attacker to Nextcloud - 9 upvotes, $750
  174. User files is disclosed when someone called while the screen is locked to Nextcloud - 9 upvotes, $350
  175. Uploading files to a folder where invited user don't have any EDIT privilege to Nextcloud - 9 upvotes, $250
  176. Reduced purmations on encryption to Nextcloud - 9 upvotes, $150
  177. [FG-VD-17-063] NextCloud Insufficient Attack Protection Vulnerability Notification to Nextcloud - 9 upvotes, $100
  178. PHPUnit is included in groupfolders release package potentially causing RCE to Nextcloud - 9 upvotes, $100
  179. Some HTML Tags are Getting Executed in com.nextcloud.client to Nextcloud - 9 upvotes, $50
  180. help.nextcloud Email Address/Username enumeration to Nextcloud - 9 upvotes, $0
  181. Bruteforcing help.nextcloud.com to Nextcloud - 9 upvotes, $0
  182. \OCA\DAV\CardDAV\ImageExportPlugin allows serving arbitrary data with user-defined or empty mimetype to Nextcloud - 9 upvotes, $0
  183. Files Drop: WebDAV endpoint is leaking existence of resources to Nextcloud - 9 upvotes, $0
  184. Privilege escalation - Normal user can somehow make admin to delete shared folders to Nextcloud - 9 upvotes, $0
  185. Wordpress Vulnerable to Potential Unauthorized Password Reset to Nextcloud - 9 upvotes, $0
  186. Update App Store: Django account high jacking vulnerability to Nextcloud - 9 upvotes, $0
  187. Admin audit is not properly logging unsetting of expiration date to Nextcloud - 9 upvotes, $0
  188. Missing length validation of user displayname allows to generate an SQL error to Nextcloud - 9 upvotes, $0
  189. Missing character limitation allows to put generate a database error to Nextcloud - 9 upvotes, $0
  190. No password length restriction in reset password endpoint to Nextcloud - 9 upvotes, $0
  191. Delete All Data of Any User to Nextcloud - 8 upvotes, $250
  192. Message Authentication Codes calculated by the Default Encryption Module allow an attacker to silently overwrite blocks in a file to Nextcloud - 8 upvotes, $250
  193. user can bypass password enforcement when federated sharing is enabled to Nextcloud - 8 upvotes, $250
  194. com.nextcloud.client bypass the protection lock in andoid app v 3.18.1 latest version. to Nextcloud - 8 upvotes, $200
  195. Mail app - blind SSRF via imapHost parameter to Nextcloud - 8 upvotes, $150
  196. Server-Side request forgery in New-Subscription feature of the calendar app to Nextcloud - 8 upvotes, $100
  197. Share recipient can modify a share's expiration date to Nextcloud - 8 upvotes, $100
  198. Possibility to force an admin to install recommended applications to Nextcloud - 8 upvotes, $100
  199. Control character filtering misses leading and trailing whitespace in file and folder names to Nextcloud - 8 upvotes, $100
  200. Missing rate limiting on password reset functionality allows to send lot of emails to Nextcloud - 8 upvotes, $100
  201. twofactor_auth bypassable if provider fails to load to Nextcloud - 8 upvotes, $50
  202. Uploading large avatar images cause excessive CPU usage to Nextcloud - 8 upvotes, $50
  203. User Information Disclosure via REST API to Nextcloud - 8 upvotes, $0
  204. GIT Detected to Nextcloud - 8 upvotes, $0
  205. Directory listing is enabled that exposes non public data through multiple path to Nextcloud - 8 upvotes, $0
  206. Password of failed (2FA) login attempt is stored in log to Nextcloud - 8 upvotes, $0
  207. Mail does not verify IMAP/SMTP host connected via TLS to Nextcloud - 8 upvotes, $0
  208. Allows any user to share their "Root" level folder by sharing "." to Nextcloud - 8 upvotes, $0
  209. Federated share accepting/declining is not logged in audit log to Nextcloud - 8 upvotes, $0
  210. nextcloudcmd incorrectly trusts bad TLS certificates to Nextcloud - 8 upvotes, $0
  211. Vulnerable moment-timezone version shipped to Nextcloud - 8 upvotes, $0
  212. Reflected XSS in Gallery App to Nextcloud - 7 upvotes, $500
  213. Acting under any different user via DB-stored credentials to Nextcloud - 7 upvotes, $250
  214. End to end encryption folder locking is not properly protected to Nextcloud - 7 upvotes, $250
  215. Calendar and addressbook names disclosed (NC-SA-2017-012) to Nextcloud - 7 upvotes, $183
  216. Moderator can enable cam/mic remotely if cam/mic-permission was disabled while user has activated cam/mic to Nextcloud - 7 upvotes, $100
  217. Android content provider exposes password-protected share password hashes to Nextcloud - 7 upvotes, $75
  218. Content (Text) Injection at NextCloud Server 9.0.52 - via http://custom_nextcloud_url/remote.php/dav/files/ to Nextcloud - 7 upvotes, $50
  219. Bad content-type in response header when getting document can lead to html injection to Nextcloud - 7 upvotes, $0
  220. XSS on IOS app via HTML rendering to Nextcloud - 7 upvotes, $0
  221. Update php-saml library to 2.10.5 to Nextcloud - 7 upvotes, $0
  222. Missing Rate Limit for Current Password field in nextcloud.com to Nextcloud - 7 upvotes, $0
  223. WordPress < 4.8.2 vulnerable to multiple attacks to Nextcloud - 7 upvotes, $0
  224. Github wikis are editable by anyone to Nextcloud - 7 upvotes, $0
  225. Private/confidential setting of calendar events is ignored on activity stream to Nextcloud - 7 upvotes, $0
  226. Wordpress Users Disclosure to Nextcloud - 7 upvotes, $0
  227. Click Jacking Nextcloud to Nextcloud - 7 upvotes, $0
  228. (Authenticated) RCE by bypassing of the .htaccess blacklist to Nextcloud - 7 upvotes, $0
  229. Disabled user can reset their password to Nextcloud - 7 upvotes, $0
  230. Password policy changes not enforced for existing passwords to Nextcloud - 7 upvotes, $0
  231. Nextcloud deck sharee search leaks searches to lookupserver by default to Nextcloud - 7 upvotes, $0
  232. Serverinfo endpoints are not bruteforce protected nor are tokens properly generated to Nextcloud - 7 upvotes, $0
  233. Webauthn tokens are not removed on user deletion to Nextcloud - 7 upvotes, $0
  234. SQL injextion via vulnerable doctrine/dbal version to Nextcloud - 7 upvotes, $0
  235. [nextcloud/server] Moment.js vulnerable to Inefficient Regular Expression Complexity to Nextcloud - 7 upvotes, $0
  236. Read-only share recipient can restore old versions of file to Nextcloud - 6 upvotes, $300
  237. Nextcloud Deck : Possibility for anyone to add a stack with existing tasks on anyone's board to Nextcloud - 6 upvotes, $250
  238. File access control rules not enforced on image files to Nextcloud - 6 upvotes, $150
  239. Download of file with arbitrary extension via injection into attachment header to Nextcloud - 6 upvotes, $125
  240. IDOR - Disable sharing to Nextcloud - 6 upvotes, $100
  241. Stored XSS/HTML injection in autocomplete suggestions for sharing to Nextcloud - 6 upvotes, $100
  242. Event privacy level does not work in Thunderbird to Nextcloud - 6 upvotes, $100
  243. Generated passwords are not fully validated by HIBPValidator to Nextcloud - 6 upvotes, $100
  244. Improper protection of FileContentProvider to Nextcloud - 6 upvotes, $50
  245. Expired SSL certificate to Nextcloud - 6 upvotes, $0
  246. Wordpress: Directory Traversal / Denial of Serivce to Nextcloud - 6 upvotes, $0
  247. Directory listening enabled in: 88.198.160.130 to Nextcloud - 6 upvotes, $0
  248. Wordpress Version Disclosure Bug On Nextcloud to Nextcloud - 6 upvotes, $0
  249. Content spoofing due to the improper behavior of the 403 page to Nextcloud - 6 upvotes, $0
  250. Email Notification should be get while changing password on apps.nextcloud.com to Nextcloud - 6 upvotes, $0
  251. NextCloud is also Accepting OCTET-STREAM Type of Documents instead of jpg or Imge Files Only to Nextcloud - 6 upvotes, $0
  252. Passcode Protection in Android Devices Can be Bypassed. to Nextcloud - 6 upvotes, $0
  253. SQL exception in JSON format to Nextcloud - 6 upvotes, $0
  254. Missing SPF flags for customerupdates.nextcloud.com to Nextcloud - 6 upvotes, $0
  255. DOMPurify 0.8.9 released to Nextcloud - 6 upvotes, $0
  256. Leaked of Profile Image from URL changing to Nextcloud - 6 upvotes, $0
  257. Github wikis are editable by anyone https://github.com/nextcloud/bookmarks/wiki to Nextcloud - 6 upvotes, $0
  258. The password of a mail share is not set if the password is given when the share is created (Nextcloud < 18) to Nextcloud - 6 upvotes, $0
  259. HTML Injection on "polls" app - comments section (possibly XSS) to Nextcloud - 6 upvotes, $0
  260. Unexpected federated shares added via public link to Nextcloud - 6 upvotes, $0
  261. Malicious apps can crash Nextcloud Android client by sending malformed intents to Nextcloud - 6 upvotes, $0
  262. ApiService#fetch serves content as text/html and inline Content-Disposition to Nextcloud - 6 upvotes, $0
  263. Text app leaks file path of shared files to Nextcloud - 6 upvotes, $0
  264. A vulnerability classified as critical has been found in gsi-openssh-server 7.9p1 on Fedora (Connectivity Software) on server (http://95.217.64.181:22 to Nextcloud - 6 upvotes, $0
  265. Twitter Account hijack @nextcloudfrance to Nextcloud - 6 upvotes, $0
  266. Share owner has no possibility to list all existing derived shares to Nextcloud - 5 upvotes, $350
  267. Limitation of app specific password scope can be bypassed (NC-SA-2017-009) to Nextcloud - 5 upvotes, $300
  268. Talk - Leak of password-protected room name via already existent resource addition to Nextcloud - 5 upvotes, $150
  269. Potential DDoS when posting long data into workflow validation rules to Nextcloud - 5 upvotes, $100
  270. More content spoofing through dir param in the files app to Nextcloud - 5 upvotes, $50
  271. Shared file link - password protection bypass under certain conditions to Nextcloud - 5 upvotes, $50
  272. nextcloud.com: Content Injection Custom 404 Error to Nextcloud - 5 upvotes, $0
  273. Email ID Disclosure. to Nextcloud - 5 upvotes, $0
  274. Information Disclosure of .htaccess file in Private Server/Subdomain to Nextcloud - 5 upvotes, $0
  275. Password Reset Link issue to Nextcloud - 5 upvotes, $0
  276. URI scheme bypass in mail app lead to HTML content spoof and opener control to Nextcloud - 5 upvotes, $0
  277. Missing SPF Flags on nextcloud.com to Nextcloud - 5 upvotes, $0
  278. Drone Nextcloud to Nextcloud - 5 upvotes, $0
  279. Version 4.7.2 of wordpress is vulnerable to Nextcloud - 5 upvotes, $0
  280. Content Spoofing/Text Injection in nextcloud.com to Nextcloud - 5 upvotes, $0
  281. Content spoofing due to the improper behavior of the 403 page to Nextcloud - 5 upvotes, $0
  282. Dav sharing permissions issue to Nextcloud - 5 upvotes, $0
  283. Possible RCE to Nextcloud - 5 upvotes, $0
  284. Banner Grabbing - Apache Server Version Disclousure to Nextcloud - 5 upvotes, $0
  285. HTML injection with AutoComplete suggestions to Nextcloud - 5 upvotes, $0
  286. Vulnerable W3 Total Cache plugin version in use on nextcloud.com to Nextcloud - 5 upvotes, $0
  287. Missing DNSSEC to Nextcloud - 5 upvotes, $0
  288. HTML injection and limited XSS via logo image upload - Nextcloud 12.0.0 to Nextcloud - 5 upvotes, $0
  289. Email Spoofing to Nextcloud - 5 upvotes, $0
  290. SSRF on local storage of iOS mobile to Nextcloud - 5 upvotes, $0
  291. Formula Injection vulnerability in CSV export feature to Nextcloud - 5 upvotes, $0
  292. bypassing dashboard without account + Information disclosure trough websockets to Nextcloud - 5 upvotes, $0
  293. Talk discloses turn server to anybody to Nextcloud - 5 upvotes, $0
  294. Default Nextcloud server config and iOS Nextcloud client leak sharee searches to Nextcloud to Nextcloud - 5 upvotes, $0
  295. Mail app - Blind SSRF via Sierve server fonctionnality and sieveHost parameter to Nextcloud - 5 upvotes, $0
  296. Mail app - blind SSRF via smtpHost parameter to Nextcloud - 5 upvotes, $0
  297. Targeted phishing attacks in Login flow v2 to Nextcloud - 5 upvotes, $0
  298. Filename enumeration && DoS to Nextcloud - 4 upvotes, $250
  299. DoS due to improper input validation can break the admin access into the user data will disallow him from editing that user's data. to Nextcloud - 4 upvotes, $250
  300. Secure view trivial to bypass to Nextcloud - 4 upvotes, $150
  301. objectId in share location can be set to open arbitrary URL or Deeplinks to Nextcloud - 4 upvotes, $100
  302. Error in Deleting Deck cards attachment reveals the full path of the website to Nextcloud - 4 upvotes, $100
  303. Federated editing allows iframing possibly malicious remotes to Nextcloud - 4 upvotes, $100
  304. Content Spoofing in "files" app to Nextcloud - 4 upvotes, $50
  305. nextcloud.com: Directory listening for 'wp-includes' forders to Nextcloud - 4 upvotes, $0
  306. Vulnerable Javascript library to Nextcloud - 4 upvotes, $0
  307. Enumeration of subscribed users and unauthenticated email unsubscriptions on https://newsletter.nextcloud.com/?p=unsubscribe to Nextcloud - 4 upvotes, $0
  308. REG: Content provider information leakage to Nextcloud - 4 upvotes, $0
  309. stats.nextcloud.com: Content Injection to Nextcloud - 4 upvotes, $0
  310. help.nextcloud.com: Known DoS condition (null pointer deref) in Nginx running to Nextcloud - 4 upvotes, $0
  311. Bookmarks: Delete all existing bookmarks of a user to Nextcloud - 4 upvotes, $0
  312. Content spoofing due to the improper behavior of the 403 page in Private Server to Nextcloud - 4 upvotes, $0
  313. [Thirdparty] Stored XSS in chat module - nextcloud server 9.0.51 installed in ubuntu 14.0.4 LTS to Nextcloud - 4 upvotes, $0
  314. Password reset link remains valid after email change to Nextcloud - 4 upvotes, $0
  315. Stored XSS on new Calling plugin (spreed) to Nextcloud - 4 upvotes, $0
  316. HTTP-Basic Authentication on logs.nextcloud.com to Nextcloud - 4 upvotes, $0
  317. Email Spoofing to Nextcloud - 4 upvotes, $0
  318. Review remote code execution in SwiftMailer to Nextcloud - 4 upvotes, $0
  319. Bypassing quota limit to Nextcloud - 4 upvotes, $0
  320. Nextcloud Server Remote Command Execution to Nextcloud - 4 upvotes, $0
  321. Clickjacking In https://demo.nextcloud.com to Nextcloud - 4 upvotes, $0
  322. Missing Rate Limiting protection leading to mass triggering of e-mails to Nextcloud - 4 upvotes, $0
  323. Information Exposure Through Directory Listing to Nextcloud - 4 upvotes, $0
  324. Banner Grabbing - Apache Server Version Disclosure to Nextcloud - 4 upvotes, $0
  325. Stored XSS on scan.nextcloud.com to Nextcloud - 4 upvotes, $0
  326. Unauthenticated 'display name' information leak on enumeration of login names to Nextcloud - 4 upvotes, $0
  327. potential RCE and XSS via file upload requiring user account and default settings to Nextcloud - 4 upvotes, $0
  328. Full path disclosure vulnerability via Upload .htaccess file to Nextcloud - 4 upvotes, $0
  329. Anonymous file drop page ignores user profile visibility restrictions to Nextcloud - 4 upvotes, $0
  330. Social App does not validate server certificates for outgoing connections to Nextcloud - 4 upvotes, $0
  331. [nextcloud.com] Control character allowed in Submit Question to Nextcloud - 4 upvotes, $0
  332. Ratelimits do not apply to OCS DataResponse to Nextcloud - 4 upvotes, $0
  333. @nextcloud/logger NPM package brings vulnerable ansi-regex version to Nextcloud - 4 upvotes, $0
  334. Circle email-members have still access to a shared folder/file after they are removed from the circle to Nextcloud - 3 upvotes, $200
  335. Reflected Self-XSS Vulnerability in the Comment section of Files Information to Nextcloud - 3 upvotes, $100
  336. No captcha on newsletter.nextcloudcom leaves vulnerable to email spammers to Nextcloud - 3 upvotes, $0
  337. Content Spoofing/Text Injection - docs.nextcloud.org to Nextcloud - 3 upvotes, $0
  338. Business/Functional logic bypass: Remove admins from admin group. to Nextcloud - 3 upvotes, $0
  339. Content injection in subdomain to Nextcloud - 3 upvotes, $0
  340. WordPress Vulnerabilities: User Enumeration, Vulnerable Akismet Plugin, XML-RPC Interface available to Nextcloud - 3 upvotes, $0
  341. nextcloud.com: Mail Bombing ( No Rate Limiting On Sending Emails On Contact us Page) to Nextcloud - 3 upvotes, $0
  342. newsletter.nextcloud.com: Bypass firewall protection to Nextcloud - 3 upvotes, $0
  343. Avatar image upload and bypass real image verification to Nextcloud - 3 upvotes, $0
  344. xss for admin of https://newsletter.nextcloud.com to Nextcloud - 3 upvotes, $0
  345. SSRF at apps.nextcloud.com/developer/apps/releases/new to Nextcloud - 3 upvotes, $0
  346. Information disclosure to Nextcloud - 3 upvotes, $0
  347. ci.nextcloud.com: CVE-2015-5477 BIND9 TKEY Vulnerability + Exploit (Denial of Service) to Nextcloud - 3 upvotes, $0
  348. Retrieval and alteration of exposed media on Android Oreo to Nextcloud - 3 upvotes, $0
  349. LDAP login possible even though account doesn't match user filter to Nextcloud - 3 upvotes, $0
  350. W3 Total Cache plugin multiple vulnerabilities to Nextcloud - 3 upvotes, $0
  351. SignUp using Fake Email to Nextcloud - 3 upvotes, $0
  352. Veracode and security audit record are publicly available to Nextcloud - 3 upvotes, $0
  353. Persistent XSS on favorite via filename to Nextcloud - 3 upvotes, $0
  354. Missing X-Content-Type-Options to Nextcloud - 3 upvotes, $0
  355. **minor issue ** -Nextcloud 10.0 session issue with desktop client and android client to Nextcloud - 3 upvotes, $0
  356. Contacts menu (not app) fails to restrict (to local groups) for contacts from federated servers to Nextcloud - 3 upvotes, $0
  357. RTLO character allowed in shared files to Nextcloud - 3 upvotes, $0
  358. Recently change email but still login with old email to Nextcloud - 3 upvotes, $0
  359. PIN for passwordless WebAuthn is asked for but not verified to Nextcloud - 3 upvotes, $0
  360. Downgrade encryption scheme and break integrity through known-plaintext attack to Nextcloud - 3 upvotes, $0
  361. nextcloud-snap CircleCI project has vulnerable configuration which can lead to exposing secrets to Nextcloud - 3 upvotes, $0
  362. External storage app saves password for all users in the database to Nextcloud - 3 upvotes, $0
  363. No set limit to try to login in "https://auth.nextcloud.com/auth/realms/master/protocol/openid-connect/auth" page. to Nextcloud - 3 upvotes, $0
  364. Nextcloud update checks leaks information to Nextcloud - 3 upvotes, $0
  365. Default Nextcloud allows http federated shares to Nextcloud - 3 upvotes, $0
  366. Create alias does not validate account id to Nextcloud - 3 upvotes, $0
  367. No admin audit entry for enabling/disabling 2FA to Nextcloud - 3 upvotes, $0
  368. No admin audit log for auth tokens to Nextcloud - 3 upvotes, $0
  369. Ransomware protection is missing extentions to Nextcloud - 3 upvotes, $0
  370. Ownership check missing when updating or deleting attachments to Nextcloud - 3 upvotes, $0
  371. Brute force protections don't work to Nextcloud - 3 upvotes, $0
  372. XSS in Desktop Client via user status and information to Nextcloud - 3 upvotes, $0
  373. XSS in Desktop Client in call notification popup to Nextcloud - 3 upvotes, $0
  374. Exception logging in Sharepoint app reveals clear-text connection details to Nextcloud - 3 upvotes, $0
  375. Nextcloud server software: Content Spoofing to Nextcloud - 2 upvotes, $50
  376. Missing memory corruption protection on Windows release built to Nextcloud - 2 upvotes, $50
  377. External Storage - WebDAV - New user has access to storage from deleted user (same user-ID) to Nextcloud - 2 upvotes, $50
  378. help.nextcloud.com: Session Management Issue to Nextcloud - 2 upvotes, $0
  379. Directory Listing On download.nextcloud.com & Practical Attacks on PGP (Pretty Good Privacy) to Nextcloud - 2 upvotes, $0
  380. https://newsletter.nextcloud.com Directory listening and Information Disclosure to Nextcloud - 2 upvotes, $0
  381. Lost Password CSRF to Nextcloud - 2 upvotes, $0
  382. Content Spoofing to Nextcloud - 2 upvotes, $0
  383. Content Injection 404 page to Nextcloud - 2 upvotes, $0
  384. Content Injection in subdomain to Nextcloud - 2 upvotes, $0
  385. Bruteforce attack is possible on newsletter.nextcloud.com to Nextcloud - 2 upvotes, $0
  386. No rate limiting on password protected shared file link to Nextcloud - 2 upvotes, $0
  387. Deny access to download.nextcloud.com + folders to Nextcloud - 2 upvotes, $0
  388. Content Injection - apps.nextcloud.com to Nextcloud - 2 upvotes, $0
  389. Content spoofing in cloud.nextcloud.com to Nextcloud - 2 upvotes, $0
  390. Reflected Self-XSS Vulnerability in the Comment section of Files (Different-payloads) to Nextcloud - 2 upvotes, $0
  391. demo.nextcloud.com: Content spoofing due to default Apache Error Page to Nextcloud - 2 upvotes, $0
  392. Arbitrary File Upload in Logo & Log in image Theming setting. to Nextcloud - 2 upvotes, $0
  393. Login Hints on Admin Panel to Nextcloud - 2 upvotes, $0
  394. Nextcloud.com is vulnerable to SWEET32 attack to Nextcloud - 2 upvotes, $0
  395. Server version/OS type disclosure via HTTP Response Header to Nextcloud - 2 upvotes, $0
  396. CSRF token validation is missing to Nextcloud - 2 upvotes, $0
  397. information disclose to Nextcloud - 2 upvotes, $0
  398. Content (Text) Injection at https://nextcloud.com to Nextcloud - 2 upvotes, $0
  399. Share tokens for public calendars disclosed (NC-SA-2017-011) to Nextcloud - 2 upvotes, $0
  400. Stored XSS in Gallery application (NC-SA-2017-010) to Nextcloud - 2 upvotes, $0
  401. Disclosed Version of PORTS SSH|HTTP|SSL to Nextcloud - 2 upvotes, $0
  402. Accessing to download.nextcloud.com from original ip adreess | insecure Download to Nextcloud - 2 upvotes, $0
  403. XSS On Nextcloud Integrated with zimbra drive to Nextcloud - 2 upvotes, $0
  404. WordPress Plugin Insert or Embed Articulate Content into WordPress Remote Code Execution (UNAUTHORIZED) to Nextcloud - 2 upvotes, $0
  405. Github repo's wiki publicly editable to Nextcloud - 2 upvotes, $0
  406. Bruteforce in admin panel to Nextcloud - 2 upvotes, $0
  407. Nextcloud logs ldap passwords to Nextcloud - 2 upvotes, $0
  408. Password authentication at newsletter.nextcloud.com discloses username list to Nextcloud - 2 upvotes, $0
  409. Bypass configured 2FA provider with another provider that can be set up at login to Nextcloud - 2 upvotes, $0
  410. The password of a mail share is not hashed if the password is given when the share is created to Nextcloud - 2 upvotes, $0
  411. Improper integrity protection of server-side encryption keys to Nextcloud - 2 upvotes, $0
  412. Improper confidentiality protection of server-side encryption keys to Nextcloud - 2 upvotes, $0
  413. Improper access control to messages of Social app to Nextcloud - 2 upvotes, $0
  414. Bypassing Passcode/Device credentials to Nextcloud - 2 upvotes, $0
  415. Content spoofing on https://surveyserver.nextcloud.com to Nextcloud - 2 upvotes, $0
  416. DoS attack against the client when entering a long password to Nextcloud - 2 upvotes, $0
  417. Federated shares are not password protected to Nextcloud - 2 upvotes, $0
  418. Information Exposure Through Directory Listing vulnerability to Nextcloud - 2 upvotes, $0
  419. Calendar name length not validated before writing to database to Nextcloud - 2 upvotes, $0
  420. Insecure randomness for default password in file sharing when password policy app is disabled to Nextcloud - 2 upvotes, $0
  421. the complete server installation path is visible in cloud/user endpoint to Nextcloud - 2 upvotes, $0
  422. No permission set on Activities [Android App] to Nextcloud - 1 upvotes, $0
  423. The application uses basic authentication. to Nextcloud - 1 upvotes, $0
  424. Content Injection - demo.nextcloud.com to Nextcloud - 1 upvotes, $0
  425. demo.nextcloud.com: Content spoofing due to default Apache Error Page to Nextcloud - 1 upvotes, $0
  426. Slow Http attack on nextcloud(DOS) to Nextcloud - 1 upvotes, $0
  427. xss on demo.nextcloud.com due to outdated version to Nextcloud - 1 upvotes, $0
  428. BruteForce in to Admin Account to Nextcloud - 1 upvotes, $0
  429. [Nextcloud 9.0.53] Content Spoofing in 'trustDomain' parameter to Nextcloud - 1 upvotes, $0
  430. failure to invalidate session on password change to Nextcloud - 1 upvotes, $0
  431. The email API to reset password is unlimited and can be used as a email bomb to Nextcloud - 1 upvotes, $0
  432. The email API to test email-server settings is unlimited and can be used as a email bomb to Nextcloud - 1 upvotes, $0
  433. Cross Site Scripting to Nextcloud - 1 upvotes, $0
  434. Possible SSRF in email server settings(SMTP mode) to Nextcloud - 1 upvotes, $0
  435. Directory Listing In Subdomain Of nextcloud.com to Nextcloud - 1 upvotes, $0
  436. Information Exposure Through Directory Listing - https://apps.nextcloud.com/static/ to Nextcloud - 1 upvotes, $0
  437. Clickjacking on https://download.nextcloud.com/ to Nextcloud - 1 upvotes, $0
  438. Clickjacking on https://download.nextcloud.com to Nextcloud - 1 upvotes, $0
  439. Nextcloud Clickjacking Vulnerability to Nextcloud - 1 upvotes, $0
  440. WebDAV Empty Property search leads to full CPU usage to Nextcloud - 1 upvotes, $0
  441. Denial of Service when entring an Array in email at seetings to Nextcloud - 1 upvotes, $0
  442. xss on setup config page to Nextcloud - 1 upvotes, $0
  443. Trusted server shared secret stored unencrypted in the database to Nextcloud - 1 upvotes, $0
  444. Leaking sensitive information through JSON file path. to Nextcloud - 1 upvotes, $0
  445. Ubuntu 12.04 Privilege Escalation to Nextcloud - 0 upvotes, $0
  446. Clickjacking on https://nextcloud.com/ to Nextcloud - 0 upvotes, $0
  447. Username Enumeration to Nextcloud - 0 upvotes, $0
  448. Broken link for wrong domain entry may be leveraged for Phishing, Misinformation, Serving Malware to Nextcloud - 0 upvotes, $0
  449. Bypass hide download Nextcloud Share to Nextcloud - 0 upvotes, $0
  450. New users can read all Nextcloud Deck data from previous user with same username to Nextcloud - 0 upvotes, $0