CVE-2011-4361: n/a vulnerability

CVE-2011-4361: MediaWiki before 1.17.1 does not check for read permission before handling action=ajax requests, which allo...

MediaWiki before 1.17.1 does not check for read permission before handling action=ajax requests, which allows remote attackers to obtain sensitive information by (1) leveraging the SpecialUpload::ajaxGetExistsWarning function, or by (2) leveraging an extension, as demonstrated by the CategoryTree, ExtTab, and InlineEditor extensions.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 00:09 UTC (UTC+00:00)

Security readout for executives and security teams

This bug let remote users bypass MediaWiki read restrictions through AJAX handling. On private or partially restricted wikis, it could expose sensitive information from upload checks or affected extensions. The cited sources identify MediaWiki before 1.17.1 as affected. Exposure is most likely on old MediaWiki deployments before 1.17.1, especially private wikis or public wikis with restricted pages, uploads, or the cited extensions enabled. Treat as a priority for any still-running legacy or restricted MediaWiki site. Public informational wikis have lower urgency; private knowledge bases may face confidentiality risk. Mitigation focus: Upgrade MediaWiki to 1.17.1 or later, following vendor guidance.; Apply relevant Linux distribution security updates where MediaWiki is packaged.; Review and update affected extensions, including CategoryTree, ExtTab, and InlineEditor..

Prepared: Jun 27, 2026, 17:28 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: Jan 8, 2012, 11:00 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
https://bugzilla.redhat.com/show_bug.cgi?id=758171CVE reference · x_refsource_CONFIRM
https://bugzilla.wikimedia.org/show_bug.cgi?id=32616CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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