Internet Explorer for Mac 5.2.3, Internet Explorer 6 on Windows XP, and possibly other versions, does not properly prevent a frame in one domain from injecting content into a frame that belongs to another domain, which facilitates web site spoofing and other attacks, aka the frame injection vulnerability.

References

• https://nvd.nist.gov/vuln/detail/CVE-2004-0719
• https://exchange.xforce.ibmcloud.com/vulnerabilities/1598
• http://secunia.com/advisories/11966
• http://secunia.com/advisories/11978
• http://secunia.com/multiple_browsers_frame_injection_vulnerability_test