If you are a user of the Firefox Firebug add-on please read this and upgrade.
From Secunia:
Description:
pdp has reported a vulnerability in the Firebug extension for Mozilla Firefox, which can be exploited by malicious people to compromise a vulnerable system.
Firebug does not properly sanitise input passed to the “console.log()” function. This can be exploited to e.g. execute arbitrary script code within the “chrome:” context by tricking a user into visiting a malicious website.
The vulnerability is reported in versions prior to 1.02.
Solution:
Update to version 1.02.
[tags]Mozilla, Firebug, Firefox Extension, Vulnerability[/tags]
