Cross-domain vulnerability in Microsoft XML Core Services 3.0 and 4.0, as used in Internet Explorer, allows remote attackers to obtain sensitive information from another domain via a crafted XML document, related to improper error checks for external DTDs, aka "MSXML DTD Cross-Domain Scripting Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5999
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-069
http://www.vupen.com/english/advisories/2008/3111
http://www.us-cert.gov/cas/techalerts/TA08-316A.html
http://www.securityfocus.com/bid/32155