Fujian mwcms Image Upload uploadeditor.html uploadeditor unrestricted upload

A vulnerability was found in Fujian mwcms 1.0.0. It has been declared as critical. Affected by this vulnerability is the function uploadeditor of the file /uploadeditor.html?action=uploadimage of the component Image Upload. The manipulation of the argument upfile leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.