Vulnerability Monitor

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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 before 2.3, allows remote attackers to hijack the authentication of arbitrary users for requests that "perform sensitive write actions" via unspecified vectors.

Security Impact Summary

CVE-2013-4306 is a security vulnerability that . Impacting 1 product from mediawiki organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-10-11T21:55:44.353

Last Modified

2026-06-16T23:56:59.780

Status

Modified

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-352

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mediawiki	mediawiki	< 1.19.8	Yes
Application	mediawiki	mediawiki	< 1.20.7	Yes
Application	mediawiki	mediawiki	< 1.21.2	Yes

References

http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html Patch ([email protected])
http://osvdb.org/96908 Broken Link ([email protected])
http://seclists.org/oss-sec/2013/q3/553 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/62210 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.wikimedia.org/show_bug.cgi?id=45019 Issue Tracking, Patch ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/86893 VDB Entry ([email protected])
https://git.wikimedia.org/commit/mediawiki%2Fextensions%2FCheckUser.git/99ad25d066ce6111e798427cba7f21526827f651 Patch ([email protected])
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html Patch (af854a3a-2127-422b-91ae-364da2661108)
http://osvdb.org/96908 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/oss-sec/2013/q3/553 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/62210 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.wikimedia.org/show_bug.cgi?id=45019 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/86893 VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://git.wikimedia.org/commit/mediawiki%2Fextensions%2FCheckUser.git/99ad25d066ce6111e798427cba7f21526827f651 Patch (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mediawiki's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.