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CVE-2011-4361
MediaWiki before 1.17.1 does not check for read permission before handling action=ajax requests, which allows remote attackers to obtain…
Medium5.0EPSS 2.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (6)
- [mediawiki-announce] 20111128 MediaWiki security release 1.17.1 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=758171 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20111129 CVE request: mediawiki before 1.17.1 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.wikimedia.org/show_bug.cgi?id=32616 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20111129 Re: CVE request: mediawiki before 1.17.1 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-2366 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .