Security researcher crucki, has submitted on 28/02/2012 a cross-site-scripting (XSS) vulnerability affecting www.universal-alliance.de, which at the time of submission ranked 2426949 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 12/03/2015. It is currently fixed.
Vulnerable URL: http://www.universal-alliance.de/index.php?site=message&msg=<script>alert(1)</script>