Unfixed XSS vulnerability at klemmrentals.com

Security researcher Uber0n, has submitted on 17/02/2009 a cross-site-scripting (XSS) vulnerability affecting klemmrentals.com, which at the time of submission ranked 9855948 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 30/06/2009. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.

Vulnerable URL: http://klemmrentals.com/listman/exec/search.cgi?template=<script>alert(123)</script>