The remote host is missing an update to sitebar announced via advisory DSA 1130-1. A a cross-site scripting vulnerability has been discovered in sitebar, a web based bookmark manager written in PHP, which allows remote attackers to inject arbitrary web script or HTML.
For the stable distribution (sarge) this problem has been fixed in version 3.2.6-7.1. For the unstable distribution (sid) this problem has been fixed in version 3.3.8-1.1. We recommend that you upgrade your sitebar package. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201130-1