Cross-site scripting (XSS) vulnerability in Open-Xchange OX Guard before 2.0.0-rev11 allows remote attackers to inject arbitrary web script or HTML via the uid field in a PGP public key, which is not properly handled in "Guard PGP Settings."
http://www.securitytracker.com/id/1034166
http://www.securityfocus.com/archive/1/536923/100/0/threaded
http://packetstormsecurity.com/files/134415/Open-Xchange-Guard-2.0-Cross-Site-Scripting.html