Ticket #3360: bbp-buddypress-subscription-fix.patch

includes/users/engagements.php

@@ -826 +826 @@
                 return $success;
         }
 
+        // BuddyPress doesn't send the $action parameter, so we need to check for it
+        if ( empty( $action ) && isset( $_GET['action'] ) && is_string( $_GET['action'] ) ) {
+                $action = sanitize_key( $_GET['action'] );
+        }
+
         // Setup possible get actions
         $possible_actions = array(
                 'bbp_subscribe',