Secunia Security Advisory – Some vulnerabilities have been discovered in freePBX, which can be exploited by malicious people to conduct cross-site scripting attacks and by malicious users to conduct script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/84252/sa37972.txt
Source: https://packetstormsecurity.com/files/84252/Secunia-Security-Advisory-37972.html