Nababur Simple-User-Management-System register.php cross site scripting

A vulnerability was found in Nababur Simple-User-Management-System 1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /register.php. The manipulation of the argument name/username leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well. The vendor was contacted early about this disclosure but did not respond in any way.