Mozilla Firefox before 20.0 and SeaMonkey before 2.17 do not prevent origin spoofing of tab-modal dialogs, which allows remote attackers to conduct phishing attacks via a crafted web site.
lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.html
lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.html
lists.opensuse.org/opensuse-security-announce/2013-04/msg00013.html
lists.opensuse.org/opensuse-security-announce/2013-05/msg00019.html
lists.opensuse.org/opensuse-updates/2013-06/msg00012.html
www.mozilla.org/security/announce/2013/mfsa2013-37.html
bugzilla.mozilla.org/show_bug.cgi?id=626775
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17065