An issue that made it possible to circumvent image locking by sending…

… a specific referrer header was fixed. Now locked images should not allow circumvention of the protection via referer header

classes/patreon_protect.php

@@ -645,8 +645,7 @@ public static function addPatreonRewriteRules() {
 		$append = PHP_EOL . "# BEGIN Patreon WordPress Image Protection
 RewriteEngine On
 RewriteBase /		
-RewriteCond %{REQUEST_FILENAME} (\.png|\.jpg|\.gif|\.jpeg|\.bmp)
-RewriteCond %{HTTP_REFERER} !^wp-admin [NC]
+RewriteCond %{REQUEST_FILENAME} (\.png|\.jpg|\.gif|\.jpeg|\.bmp) [NC]
 RewriteRule ^" . $upload_dir . "/(.*)$ index.php?patreon_action=serve_patron_only_image&patron_only_image=$1 [QSA,L]
 # END Patreon WordPress".PHP_EOL;
 
@@ -1002,4 +1001,4 @@ public static function get_attachment_id_from_url( $url ) {
         return 0;
     }
 
-}
+}

patreon.php

@@ -4,7 +4,7 @@
 Plugin Name: Patreon Wordpress
 Plugin URI: https://www.patreon.com/apps/wordpress
 Description: Patron-only content, directly on your website.
-Version: 1.9.0
+Version: 1.9.1
 Author: Patreon <[email protected]>
 Author URI: https://patreon.com
 */
@@ -68,7 +68,7 @@
 define( "PATREON_CREATOR_BYPASSES_FILTER_MESSAGE", 'This content is for Patrons only, it\'s not locked for you because you are logged in as the Patreon creator' );
 define( "PATREON_NO_LOCKING_LEVEL_SET_FOR_THIS_POST", 'Post is already public. If you would like to lock this post, please set a pledge level for it' );
 define( "PATREON_NO_POST_ID_TO_UNLOCK_POST", 'Sorry - could not get the post id for this locked post' );
-define( "PATREON_WORDPRESS_VERSION", '1.9.0' );
+define( "PATREON_WORDPRESS_VERSION", '1.9.1' );
 define( "PATREON_WORDPRESS_BETA_STRING", '' );
 define( "PATREON_WORDPRESS_PLUGIN_SLUG", plugin_basename( __FILE__ ) );
 define( "PATREON_PRIVACY_POLICY_ADDENDUM", '<h2>Patreon features in this website</h2>In order to enable you to use this website with Patreon services, we save certain functionally important Patreon information about you in this website if you log in with Patreon.

readme.txt

@@ -4,7 +4,7 @@ Tags: patreon, membership, members
 Requires at least: 4.0
 Requires PHP: 7.4
 Tested up to: 6.5.3
-Stable tag: 1.9.0
+Stable tag: 1.9.1
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -79,6 +79,10 @@ It is  difficult to protect videos due the intensive bandwidth requirements of h
 
 == Upgrade Notice ==
 
+= 1.9.1 =
+
+* An issue that made it possible to circumvent image locking by sending a specific referrer header was fixed. Now locked images should not allow circumvention of the protection via referer header
+
 = 1.9.0 =
 
 * Now the reconnection wizard can be used to refresh/repair the connection of the site to Patreon without having to disconnect the site even if the site connection is broken or lost
@@ -507,6 +511,10 @@ You can report security bugs through the Patchstack Vulnerability Disclosure Pro
 
 == Changelog ==
 
+= 1.9.1 =
+
+* An issue that made it possible to circumvent image locking by sending a specific referrer header was fixed. Now locked images should not allow circumvention of the protection via referer header
+
 = 1.9.0 =
 
 * Now the reconnection wizard can be used to refresh/repair the connection of the site to Patreon without having to disconnect the site even if the site connection is broken or lost