Cross-site scripting (XSS) vulnerability in login.php in phpGroupWare 0.9.16.12, and possibly other versions before 0.9.16.014, allows remote attackers to inject arbitrary web script or HTML via an arbitrary parameter whose name begins with the "phpgw_" sequence.
Debian Linux Security Advisory 1978-1 - Several remote vulnerabilities have been discovered in phpgroupware, a Web based groupware system written in PHP.