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CVE-2013-4306
Cross-site request forgery (CSRF) vulnerability in api/ApiQueryCheckUser.php in the CheckUser extension for MediaWiki, possibly Checkuser…
Medium6.8EPSS 0.90%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Cross-site request forgery (CSRF) vulnerability in api/ApiQueryCheckUser.php in the CheckUser extension for MediaWiki, possibly Checkuser before 2.3, allows remote attackers to hijack the authentication of arbitrary users for requests that "perform sensitive write actions" via unspecified vectors.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 0.90% · top 40% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (7)
- [oss-security] 20130904 Re: CVE request: MediaWiki Security Release: 1.21.2, 1.20.7 and 1.19.8 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://git.wikimedia.org/commit/mediawiki%2Fextensions%2FCheckUser.git/99ad25d066ce6111e798427cba7f21526827f651 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [MediaWiki-announce] 20130903 MediaWiki Security Release: 1.21.2, 1.20.7 and 1.19.8 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 62210 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 96908 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- https://bugzilla.wikimedia.org/show_bug.cgi?id=45019 (opens in a new tab)x_refsource_CONFIRMx_transferred
- mediawiki-cve20134306-csrf(86893) (opens in a new tab)vdb-entryx_refsource_XFx_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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2013-4306)Record last updated .