Multiple cross-site scripting (XSS) vulnerabilities in webacc in Novell GroupWise WebAccess before 7 Support Pack 3 Public Beta allow remote attackers to inject arbitrary web script or HTML via the (1) User.html, (2) Error, (3) User.Theme.index, and (4) and User.lang parameters.
http://www.vupen.com/english/advisories/2008/0395
http://www.securitytracker.com/id?1019302
http://www.securityfocus.com/bid/27582
http://www.novell.com/documentation/gw7/readmeusgw7sp3/readmeusgw7sp3.html#b4qb42z