Secunia Security Advisory – Debian has issued an update for horde3. This fixes some vulnerabilities, which can be exploited by malicious people to conduct cross-site scripting attacks and disclose potentially sensitive information.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/76523/sa34609.txt
Source: https://packetstormsecurity.com/files/76523/Secunia-Security-Advisory-34609.html