The Greeklish-permalink WordPress plugin through 3.3 does not implement correct authorization or nonce checks in the cyrtrans_ajax_old AJAX action, allowing unauthenticated and low-privilege users to trigger the plugin's functionality to change Post slugs either directly or through CSRF.

The Greeklish-permalink WordPress plugin through 3.3 does not implement correct authorization or nonce checks in the cyrtrans_ajax_old AJAX action, allowing unauthenticated and low-privilege users to trigger the plugin's functionality to change Post slugs either directly or through CSRF.