Multiple cross-site scripting (XSS) vulnerabilities in Sun Java System Communications Express 6 2005Q4 (aka 6.2) and 6.3 allow remote attackers to inject arbitrary web script or HTML via (1) the abperson_displayName parameter to uwc/abs/search.xml in the Add Contact implementation in the Personal Address Book component or (2) the temporaryCalendars parameter to uwc/base/UWCMain.