CVE-2005-4501: n/a vulnerability

CVE-2005-4501: MediaWiki before 1.5.4 uses a hard-coded "internal placeholder string", which allows remote attackers to by...

MediaWiki before 1.5.4 uses a hard-coded "internal placeholder string", which allows remote attackers to bypass protection against cross-site scripting (XSS) attacks and execute Javascript using inline style attributes, which are processed by Internet Explorer.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 23:46 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2005-4501 is an old MediaWiki cross-site scripting issue affecting versions before 1.5.4. A flaw in a hard-coded internal placeholder string could let a remote attacker get JavaScript executed in Internet Explorer through inline style attributes. Exposure is most likely limited to legacy MediaWiki installations older than 1.5.4, especially public or user-editable wikis viewed with Internet Explorer-era browser behavior. Handle as a legacy exposure cleanup item unless old MediaWiki is still public-facing or business-critical. Public unpatched wikis should be upgraded or retired promptly. Mitigation focus: Inventory MediaWiki instances and identify any version older than 1.5.4.; Upgrade affected MediaWiki deployments to 1.5.4 or later per vendor guidance.; Check operating system vendor advisories for backported MediaWiki fixes..

Prepared: Jun 29, 2026, 15:35 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 22, 2005, 21:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

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2Source links

CVSS and timeline data

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Source materials

CVE List V5 sourceCVE List V5
mediawiki-placeholder-bypass-security(23882)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

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CWE details

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