Firefox before 1.0.5 and Mozilla before 1.7.9 allows a child frame to call top.focus and other methods in a parent frame, even when the parent is in a different domain, which violates the same origin policy and allows remote attackers to steal sensitive information such as cookies and passwords from web sites whose child frames do not verify that they are in the same domain as their parents.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A773
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1415
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10712
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100107
https://exchange.xforce.ibmcloud.com/vulnerabilities/21332
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=160202
http://www.vupen.com/english/advisories/2005/1075
http://www.securityfocus.com/bid/14242
http://www.redhat.com/support/errata/RHSA-2005-601.html
http://www.redhat.com/support/errata/RHSA-2005-587.html
http://www.redhat.com/support/errata/RHSA-2005-586.html
http://www.novell.com/linux/security/advisories/2006_04_25.html
http://www.novell.com/linux/security/advisories/2005_45_mozilla.html
http://www.novell.com/linux/security/advisories/2005_18_sr.html
http://www.mozilla.org/security/announce/mfsa2005-52.html
http://www.debian.org/security/2005/dsa-810
http://secunia.com/advisories/19823
http://secunia.com/advisories/15553