juzaweb CMS Import Page imports improper authorization

A vulnerability classified as critical has been found in juzaweb CMS 3.4.2. Affected is an unknown function of the file /admin-cp/imports of the component Import Page. The manipulation leads to improper authorization. It is possible to launch the attack 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.