Microsoft Internet Explorer 5.01 through 6 does not always correctly identify the domain that is associated with a browser window, which allows remote attackers to obtain sensitive cross-domain information and spoof sites by running script after the user has navigated to another site.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1710
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1251
https://exchange.xforce.ibmcloud.com/vulnerabilities/25555
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-013
http://www.vupen.com/english/advisories/2006/1318
http://www.securityfocus.com/bid/17457