Microsoft Internet Explorer 5.01 and 6 does not properly identify the originating domain zone when handling redirects, which allows remote attackers to read cross-domain web pages and possibly execute code via unspecified vectors involving a crafted web page, aka “Source Element Cross-Domain Vulnerability.”
secunia.com/advisories/21396
securitytracker.com/id?1016663
www.kb.cert.org/vuls/id/252764
www.osvdb.org/27851
www.securityfocus.com/bid/19400
www.us-cert.gov/cas/techalerts/TA06-220A.html
www.vupen.com/english/advisories/2006/3212
docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-042
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A577