CVE-2008-5554: n/a vulnerability

CVE-2008-5554: The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 does not properly handle some HTTP headers that ap...

The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 does not properly handle some HTTP headers that appear after a CRLF sequence in a URI, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS or redirection attacks, as demonstrated by the (1) Location and (2) Set-Cookie HTTP headers. NOTE: the vendor has reportedly stated that the XSS Filter intentionally does not attempt to "address every conceivable XSS attack scenario."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 10:56 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2008-5554 concerns a bypass of the XSS Filter in Microsoft Internet Explorer 8.0 Beta 2. A malicious site could evade that browser protection and still perform cross-site scripting or redirection attacks. Business risk is mainly legacy exposure: this affects an obsolete beta browser feature, not a modern supported platform per the provided sources. Exposure is likely limited to environments still running or testing Internet Explorer 8.0 Beta 2, or relying on its XSS Filter behavior. The source bundle does not identify supported products, enterprise deployments, or current affected versions. Treat this as a legacy hygiene issue unless confirmed usage exists. If IE 8.0 Beta 2 is present, remove it promptly because the affected protection is obsolete and incomplete. Without that exposure, this should not outrank currently exploited browser or web application vulnerabilities. Mitigation focus: Identify and retire Internet Explorer 8.0 Beta 2 from managed endpoints.; Check Microsoft historical guidance before assuming a specific patch exists.; Do not rely on browser XSS filters as primary XSS protection..

Prepared: Jun 28, 2026, 11:41 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 12, 2008, 18:13 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
ie-locationsetcookie-xss-filter-bypass(47443)CVE reference · vdb-entry, x_refsource_XF
ie-antixss-xss(47277)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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