Secunia Security Advisory – Debian has issued an update for trac. This fixes two vulnerabilities, which can be exploited by malicious people to conduct script insertion and SQL injection attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43297/sa18555.txt
Source: https://packetstormsecurity.com/files/43297/Secunia-Security-Advisory-18555.html

