CVE-2008-5555

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

Microsoft Internet Explorer 8.0 Beta 2 relies on the XDomainRequestAllowed HTTP header to authorize data exchange between domains, which allows remote attackers to bypass the product's XSS Filter protection mechanism, and conduct XSS and cross-domain attacks, by injecting this header after a CRLF sequence, related to "XDomainRequest Allowed Injection (XAI)." NOTE: the vendor has reportedly stated that the XSS Filter intentionally does not attempt to "address every conceivable XSS attack scenario."

Metrics

CVSS 2.0 4.3/10AV:N/AC:M/Au:N/C:N/I:P/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published
Dec 12, 2008
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2008-5555: Medium severity, CVSS 4.3 | Vulnix