juzaweb CMS Plugins Page install access control

A vulnerability classified as critical was found in juzaweb CMS up to 3.4.2. This vulnerability affects unknown code of the file /admin-cp/plugin/install of the component Plugins Page. The manipulation leads to improper access controls. The attack can be initiated 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.