juzaweb CMS Menu Page menus access control

A vulnerability was found in juzaweb CMS up to 3.4.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /admin-cp/menus of the component Menu Page. The manipulation leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.