Adventia Chat 3.1 and Server Pro 3.0 allows remote attackers to inject arbitrary web script or HTML into the chat space, which leaves other users vulnerable to cross-site scripting (XSS) attacks.
https://exchange.xforce.ibmcloud.com/vulnerabilities/21317
http://www.securityfocus.com/bid/12940
http://www.securityfocus.com/bid/12927
http://securitytracker.com/id?1013588
http://marc.info/?l=full-disclosure&m=111211930330410&w=2
http://exploitlabs.com/files/advisories/EXPL-A-2005-003-adventiachat.txt