Multiple cross-site scripting (XSS) vulnerabilities in TemplateLogin.pm in TWiki before 5.0.2 allow remote attackers to inject arbitrary web script or HTML via the origurl parameter to a (1) view script or (2) login script.
secunia.com/advisories/44594
securityreason.com/securityalert/8257
securitytracker.com/id?1025542
twiki.org/cgi-bin/view/Codev/SecurityAlert-CVE-2011-1838
www.mavitunasecurity.com/XSS-vulnerability-in-Twiki/
www.securityfocus.com/archive/1/518038/100/0/threaded
www.securityfocus.com/bid/47899
www.vupen.com/english/advisories/2011/1258