CVE-2013-4306
MEDIUM · CVSS 6.8EPSS 0.9%EU EUVD
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-352
- EPSS score
- 0.9% (60th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-4200)
- Published
- October 11, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-4200 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mediawiki / mediawiki
References
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html(Patch)
- http://osvdb.org/96908(Broken Link)
- http://seclists.org/oss-sec/2013/q3/553(Mailing List, Third Party Advisory)
- http://www.securityfocus.com/bid/62210(Third Party Advisory, VDB Entry)
- https://bugzilla.wikimedia.org/show_bug.cgi?id=45019(Issue Tracking, Patch)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86893(VDB Entry)
- https://git.wikimedia.org/commit/mediawiki%2Fextensions%2FCheckUser.git/99ad25d066ce6111e798427cba7f21526827f651(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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