The remote host is vulnerable to a Cross-Site Scripting (XSS) attack.
The remote host is running eGroupWare, a web-based groupware solution. It is reported that versions prior 1.0.0.004 are prone to a cross-site scripting issue. An attacker may steal cookie-based authentication credentials from a legitimate user by sending malformed links to this web site.
Upgrade to version 1.0.0.004 or higher.