diff --git a/src/wp-includes/class-wp-hook.php b/src/wp-includes/class-wp-hook.php
index d95691df6ad0b..9ef0c10edc484 100644
--- a/src/wp-includes/class-wp-hook.php
+++ b/src/wp-includes/class-wp-hook.php
@@ -18,6 +18,14 @@
 #[AllowDynamicProperties]
 final class WP_Hook implements Iterator, ArrayAccess {
 
+	/**
+	 * Hook callers.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	public $callers = array();
+
 	/**
 	 * Hook callbacks.
 	 *
@@ -99,6 +107,19 @@ public function add_filter( $hook_name, $callback, $priority, $accepted_args ) {
 		if ( $this->nesting_level > 0 ) {
 			$this->resort_active_iterations( $priority, $priority_existed );
 		}
+
+		// Check if plugins are loaded
+		if ( defined( 'WP_PLUGIN_DIR' ) ) {
+			// Get the caller file path
+			$caller = debug_backtrace()[1]['file'];
+
+			// Check if a plugin is adding this filter
+			if ( substr( $caller, 0, strlen( WP_PLUGIN_DIR ) ) === WP_PLUGIN_DIR ) {
+				// Strip the WP_PLUGIN_DIR from the caller path
+				$caller = substr( $caller, strlen( WP_PLUGIN_DIR ) );
+				array_push( $this->callers, $caller );
+			}
+		}
 	}
 
 	/**
diff --git a/src/wp-includes/plugin.php b/src/wp-includes/plugin.php
index 77c1eb4ef669b..104c4d2e35334 100644
--- a/src/wp-includes/plugin.php
+++ b/src/wp-includes/plugin.php
@@ -714,6 +714,11 @@ function apply_filters_deprecated( $hook_name, $args, $version, $replacement = '
 		return $args[0];
 	}
 
+	// Filters added by plugins have a caller to easily identify the source
+	global $wp_filter;
+	$callers  = implode( ', ', $wp_filter[ $hook_name ]->callers );
+	$message .= ' ' . __( 'used_by' ) . ' ' . $callers;
+
 	_deprecated_hook( $hook_name, $version, $replacement, $message );
 
 	return apply_filters_ref_array( $hook_name, $args );