Security researcher Pouya_Server, has submitted on 25/06/2007 a cross-site-scripting (XSS) vulnerability affecting beta.hackthissite.org, which at the time of submission ranked 49185 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 26/06/2007. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.
Vulnerable URL: http://beta.hackthissite.org/wsvn/HTSv4/%22%3E%3Cscript%3Ealert(document.cookie)%3C/script%3E