http://xenuser.org/documents/security/joomla_com_activehelper_livehelp_xss.txt
http://www.xenuser.org/2010/05/19/joomla-component-activehelper-livehelp-xss-vulnerabilities/
http://www.securityfocus.com/bid/40278
http://secunia.com/advisories/39870
http://packetstormsecurity.org/1005-exploits/joomlaactivehelper-xss.txt