CVE-2012-3965
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a new window.
Date published : 2012-08-29
http://www.mozilla.org/security/announce/2012/mfsa2012-60.html