Security researcher LordTittiS, has submitted on 03/11/2010 a cross-site-scripting (XSS) vulnerability affecting 4.hidemyass.com, which at the time of submission ranked 965 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 21/12/2011. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.
Vulnerable URL: http://4.hidemyass.com/index.php?e=invalid_url&return=http://4.hidemyass.com/browse.php%3Fu%3DOi8vPiI8c2NyaXB0PmFsZXJ0KGRvY3VtZW50LmNvb2tpZSk8L3NjcmlwdD4%3D%26f%3Dnorefer%26idx%3D2&p=YToxOntpOjA7czo0ODoiaHR0cDovLz4iPHNjcmlwdD5hbGVydChkb2N1bWVudC5jb29raWUpPC9zY3JpcHQ+Ijt9