Multiple cross-site scripting (XSS) vulnerabilities in Kayako liveResponse 2.x allow remote attackers to inject arbitrary web script or HTML via the (1) username parameter or (2) name field when entering a session or sending a message.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-2461
http://www.securityfocus.com/bid/14425
http://www.gulftech.org/?node=research&article_id=00092-07302005