Mozilla Firefox 3.6 before 3.6.2 does not offer plugins the expected window.location protection mechanism, which might allow remote attackers to bypass the Same Origin Policy and conduct cross-site scripting (XSS) attacks via vectors that are specific to each affected plugin.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8602
https://bugzilla.mozilla.org/show_bug.cgi?id=541530
http://www.vupen.com/english/advisories/2010/0692
http://www.securityfocus.com/bid/38919
http://www.securityfocus.com/bid/38918
http://www.mozilla.org/security/announce/2010/mfsa2010-10.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:070