Oct 25
Here is the browser testing website for Mozilla, Opera and Internet Explorer flaws, exploits and vulnerabilities.You can see which vulnerabilities they test for here and the statistics of the tests results here.
Vulnerabilities:
http://bcheck.scanit.be/bcheck/alltests.php
Statistics:
http://bcheck.scanit.be/bcheck/stats.php
Check Your Browser Security Now.
http://bcheck.scanit.be/bcheck/