Unfixed XSS vulnerability at www.mailevil.de

Security researcher T-Ping, has submitted on 18/09/2007 a cross-site-scripting (XSS) vulnerability affecting www.mailevil.de, which at the time of submission ranked 0 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 20/09/2007. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.

Vulnerable URL: http://www.mailevil.de/hilfe.php?chapter="+onmouseover=alert(123456789)+