withstars Books-Management-System Comment add cross site scripting

A vulnerability classified as problematic was found in withstars Books-Management-System 1.0. This vulnerability affects unknown code of the file /api/comment/add of the component Comment Handler. The manipulation of the argument content leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.