Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, and SeaMonkey before 2.0.3, does not properly restrict read access to object properties in showModalDialog, which allows remote attackers to bypass the Same Origin Policy and conduct cross-site scripting (XSS) attacks via crafted dialogArguments values.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9384
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8355
https://exchange.xforce.ibmcloud.com/vulnerabilities/56362
https://bugzilla.mozilla.org/show_bug.cgi?id=504862
http://www.vupen.com/english/advisories/2010/0405
http://www.ubuntu.com/usn/USN-896-1
http://www.ubuntu.com/usn/USN-895-1
http://www.redhat.com/support/errata/RHSA-2010-0112.html
http://www.mozilla.org/security/announce/2010/mfsa2010-04.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:042
http://www.debian.org/security/2010/dsa-1999
http://secunia.com/advisories/38847
http://secunia.com/advisories/37242
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035426.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035367.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035346.html