Cross-site scripting (XSS) vulnerability in the Entropy Chat script in cPanel 10.2.0-R82 and 10.6.0-R137 allows remote attackers to inject arbitrary web script or HTML via a chat message containing Javascript in style attributes in tags such as <b>, which are processed by Internet Explorer.
http://www.vupen.com/english/advisories/2005/2306
http://www.securityfocus.com/bid/15327
http://www.securityfocus.com/archive/1/415722/30/0/threaded
http://securitytracker.com/id?1015157