Cross-site scripting (XSS) vulnerability in Mozilla Firefox 4.x through 4.0.1 allows remote attackers to inject arbitrary web script or HTML via an SVG element containing an HTML-encoded entity.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14426
https://bugzilla.mozilla.org/show_bug.cgi?id=650001
http://www.mozilla.org/security/announce/2011/mfsa2011-27.html
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html