Secunia Security Advisory – Red Hat has issued an update for squirrelmail. This fixes a vulnerability, which can be exploited by malicious people to conduct script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/73786/sa33517.txt
Source: https://packetstormsecurity.com/files/73786/Secunia-Security-Advisory-33517.html