diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 2a77175..08cbe4b 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -8,7 +8,8 @@
 		"vscode": {
 			"extensions": [
 				"recca0120.vscode-phpunit",
-				"github.vscode-github-actions"
+				"github.vscode-github-actions",
+				"slevesque.vscode-zipexplorer"
 			]
 		}
 	},
diff --git a/Infrastructure/Database/FindingsQuery.php b/Infrastructure/Database/FindingsQuery.php
index c0bf084..1959ee7 100644
--- a/Infrastructure/Database/FindingsQuery.php
+++ b/Infrastructure/Database/FindingsQuery.php
@@ -6,23 +6,24 @@
 use wpdb;
 
 class FindingsQuery implements IFindingsQuery {
-    private wpdb $wpdb;
     private LoggerInterface $logger;
 
     public function __construct(
         LoggerInterface $logger,
     ) {
-        global $wpdb;
-        $this->wpdb = $wpdb;
         $this->logger = $logger;
     }
 
     private function get_table_name(): string {
-        return $this->wpdb->prefix.GDATACYBERDEFENCEAG_ANTIVIRUS_MENU_FINDINGS_TABLE_NAME;
+        global $wpdb;
+
+        return $wpdb->prefix.GDATACYBERDEFENCEAG_ANTIVIRUS_MENU_FINDINGS_TABLE_NAME;
     }
 
     public function create(): void {
-        $charset_collate = $this->wpdb->get_charset_collate();
+        global $wpdb;
+
+        $charset_collate = $wpdb->get_charset_collate();
         $sql             = 'CREATE TABLE ' . $this->get_table_name() . ' (
             file_path VARCHAR(512) NOT NULL,
             UNIQUE KEY file_path (file_path)
@@ -34,21 +35,25 @@ public function create(): void {
     }
 
     public function remove(): void {
+        global $wpdb;
+
         if (! $this->table_exists()) {
             return;
         }
-        $this->wpdb->query(
-            $this->wpdb->prepare('DROP TABLE IF EXISTS %i', $this->get_table_name())
+        $wpdb->query(
+            $wpdb->prepare('DROP TABLE IF EXISTS %i', $this->get_table_name())
         );
         \wp_cache_set($this->get_table_name(), 'false', 'GdataAntivirus');
     }
 
     public function table_exists(): bool {
+        global $wpdb;
+
         $tables_exists = \wp_cache_get($this->get_table_name(), 'GdataAntivirus');
         $this->logger->debug('Exists in cache: ' . ($tables_exists ? 'true' : 'false'));
         if (false === $tables_exists) {
-            $exists = $this->wpdb->get_var(
-                $this->wpdb->prepare('SHOW TABLES LIKE %s', $this->get_table_name())
+            $exists = $wpdb->get_var(
+                $wpdb->prepare('SHOW TABLES LIKE %s', $this->get_table_name())
             ) === $this->get_table_name();
             $this->logger->debug('Exists in database: ' . ($exists ? 'true' : 'false'));
             \wp_cache_set($this->get_table_name(), \wp_json_encode($exists), 'GdataAntivirus');
@@ -61,12 +66,14 @@ public function table_exists(): bool {
     }
 
     public function add( string $file ): void {
+        global $wpdb;
+
         if (! $this->table_exists()) {
             return;
         }
 
         try {
-            $this->wpdb->insert(
+            $wpdb->insert(
                 $this->get_table_name(),
                 array( 'file_path' => $file )
             );
@@ -76,32 +83,38 @@ public function add( string $file ): void {
     }
 
     public function delete( string $file ): void {
+        global $wpdb;
+
         if (! $this->table_exists()) {
             return;
         }
-        $this->wpdb->delete(
+        $wpdb->delete(
             $this->get_table_name(),
             array( 'file_path' => $file )
         );
     }
 
     public function get_all(): array {
+        global $wpdb;
+
         if (! $this->table_exists()) {
             return array();
         }
-        return $this->wpdb->get_results(
-            $this->wpdb->prepare('SELECT file_path FROM %i', $this->get_table_name()),
+        return $wpdb->get_results(
+            $wpdb->prepare('SELECT file_path FROM %i', $this->get_table_name()),
             ARRAY_A
         );
     }
 
     public function count(): int {
+        global $wpdb;
+
         $this->logger->debug('FindingsMenuPage::get_findings_count');
         if (! $this->table_exists()) {
             return 0;
         }
-        return (int) $this->wpdb->get_var(
-            $this->wpdb->prepare('SELECT COUNT(*) FROM %i', $this->get_table_name())
+        return (int) $wpdb->get_var(
+            $wpdb->prepare('SELECT COUNT(*) FROM %i', $this->get_table_name())
         );
     }
 
diff --git a/Infrastructure/Database/ScansQuery.php b/Infrastructure/Database/ScansQuery.php
index db96cc8..29efbe9 100644
--- a/Infrastructure/Database/ScansQuery.php
+++ b/Infrastructure/Database/ScansQuery.php
@@ -2,27 +2,20 @@
 
 namespace Gdatacyberdefenseag\GdataAntivirus\Infrastructure\Database;
 
-use Psr\Log\LoggerInterface;
-use wpdb;
-
 class ScansQuery implements IScansQuery {
-    private wpdb $wpdb;
-    private LoggerInterface $logger;
-
-    public function __construct(
-        LoggerInterface $logger,
-    ) {
-        global $wpdb;
-        $this->wpdb = $wpdb;
-        $this->logger = $logger;
+    public function __construct() {
     }
 
     private function get_table_name(): string {
-        return $this->wpdb->prefix.GDATACYBERDEFENCEAG_ANTIVIRUS_MENU_FULL_SCAN_OPERATIONS_TABLE_NAME;
+        global $wpdb;
+
+        return $wpdb->prefix.GDATACYBERDEFENCEAG_ANTIVIRUS_MENU_FULL_SCAN_OPERATIONS_TABLE_NAME;
     }
 
     public function create(): void {
-        $charset_collate = $this->wpdb->get_charset_collate();
+        global $wpdb;
+
+        $charset_collate = $wpdb->get_charset_collate();
         $sql             = 'CREATE TABLE ' . $this->get_table_name() . ' (
             scheduled_scans TINYINT NOT NULL DEFAULT 0,
             finished_scans TINYINT NOT NULL DEFAULT 0
@@ -31,56 +24,72 @@ public function create(): void {
         require_once ABSPATH . 'wp-admin/includes/upgrade.php';
         dbDelta($sql);
 
-        $this->wpdb->query(
-            $this->wpdb->prepare('INSERT INTO %i (scheduled_scans, finished_scans) VALUES (0, 0)', $this->get_table_name())
+        $wpdb->query(
+            $wpdb->prepare('INSERT INTO %i (scheduled_scans, finished_scans) VALUES (0, 0)', $this->get_table_name())
         );
     }
 
     public function remove(): void {
-        $this->wpdb->query(
-            $this->wpdb->prepare('DROP TABLE IF EXISTS %i', $this->get_table_name())
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare('DROP TABLE IF EXISTS %i', $this->get_table_name())
         );
     }
 
     public function write_lock(): void {
-        $this->wpdb->query(
-            $this->wpdb->prepare('LOCK TABLES %i WRITE', $this->get_table_name())
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare('LOCK TABLES %i WRITE', $this->get_table_name())
         );
     }
 
     public function write_unlock(): void {
-        $this->wpdb->query(
-            $this->wpdb->prepare('UNLOCK TABLES %i WRITE', $this->get_table_name())
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare('UNLOCK TABLES %i WRITE', $this->get_table_name())
         );
     }
 
     public function scheduled_count(): int {
-        return $this->wpdb->get_var(
-            $this->wpdb->prepare('SELECT scheduled_scans FROM %i', $this->get_table_name())
+        global $wpdb;
+
+        return $wpdb->get_var(
+            $wpdb->prepare('SELECT scheduled_scans FROM %i', $this->get_table_name())
         );
     }
 
     public function increase_scheduled(): void {
-        $this->wpdb->query(
-            $this->wpdb->prepare('UPDATE %i SET scheduled_scans = scheduled_scans + 1', $this->get_table_name())
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare('UPDATE %i SET scheduled_scans = scheduled_scans + 1', $this->get_table_name())
         );
     }
 
     public function finished_count(): int {
-        return $this->wpdb->get_var(
-            $this->wpdb->prepare('SELECT finished_scans FROM %i', $this->get_table_name())
+        global $wpdb;
+
+        return $wpdb->get_var(
+            $wpdb->prepare('SELECT finished_scans FROM %i', $this->get_table_name())
         );
     }
 
     public function increase_finished(): void {
-        $this->wpdb->query(
-            $this->wpdb->prepare('UPDATE %i SET finished_scans = finished_scans + 1', $this->get_table_name())
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare('UPDATE %i SET finished_scans = finished_scans + 1', $this->get_table_name())
         );
     }
 
     public function reset(): void {
-        $this->wpdb->query(
-            $this->wpdb->prepare('UPDATE %i SET scheduled_scans = 0, finished_scans = 0', $this->get_table_name())
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare('UPDATE %i SET scheduled_scans = 0, finished_scans = 0', $this->get_table_name())
         );
     }
 }
diff --git a/Vaas/ScanClient.php b/Vaas/ScanClient.php
index db3ac05..358d5db 100644
--- a/Vaas/ScanClient.php
+++ b/Vaas/ScanClient.php
@@ -160,7 +160,11 @@ public function scan_single_upload( $file ) {
 			$is_plugin_uplad = false;
 
 			$action =  \sanitize_key($_GET['action'] ?? $_POST['action'] ?? '');
-			$nonce = \sanitize_key($_POST['nonce'] ?? $_POST['_wpnonce']);
+			if (isset($_POST['_wpnonce'])) {
+				$nonce = \sanitize_key($_POST['nonce'] ?? $_POST['_wpnonce']);
+			} else {
+				$nonce = \sanitize_key($_GET['nonce'] ?? '');
+			}
 			if ($action === 'upload-plugin') {
 				if (wp_verify_nonce($nonce, $action) === false) {
 					return $file;
diff --git a/composer.lock b/composer.lock
index dad2ef0..2b807c4 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4656,4 +4656,4 @@
         "php": "8.2"
     },
     "plugin-api-version": "2.6.0"
-}
+}
\ No newline at end of file