Vulnerability in Firefox allows you to transfer personal information to a remote computer

Hackers from Vexillium.org discovered a vulnerability that allowed an attacker to gain access to confidential information on a remote computer.
Specially generated bmp-image allows using the canvas element to transfer personal information on AJAX to a remote computer. Vulnerability is present Firefox 2.0.0.11 and younger, as well as in the beta version of Opera with the number 9.50.