CVE-2012-5841
Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
Date published : 2012-11-21
http://www.securityfocus.com/bid/56631
http://www.mozilla.org/security/announce/2012/mfsa2012-100.html
