Secunia Security Advisory – Debian has issued an update for horde2. This fixes a vulnerability, which can be exploited by malicious people to conduct cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/41981/sa17794.txt
Source: https://packetstormsecurity.com/files/41981/Secunia-Security-Advisory-17794.html