Secunia Security Advisory – David Kierznowski has discovered a vulnerability in the Sage extension for Firefox, 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/51843/sa22809.txt
Source: https://packetstormsecurity.com/files/51843/Secunia-Security-Advisory-22809.html