Secunia Security Advisory – Mark Pilgrim has reported a vulnerability in the Greasemonkey extension for Firefox, which can be exploited by malicious people to disclose various information.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/38815/sa16128.txt
Source: https://packetstormsecurity.com/files/38815/Secunia-Security-Advisory-16128.html