CVE-2015-2940

medium
Published 2015-04-13 · Modified 2026-05-06
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

Cross-site request forgery (CSRF) vulnerability in the CheckUser extension for MediaWiki allows remote attackers to hijack the authentication of certain users for requests that retrieve sensitive user information via unspecified vectors.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-2940

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1:1.19.20+dfsg-2.3
debian debianbullseyefixed1:1.19.20+dfsg-2.3
debian debianforkyfixed1:1.19.20+dfsg-2.3
debian debiansidfixed1:1.19.20+dfsg-2.3
debian debiantrixiefixed1:1.19.20+dfsg-2.3

Application impact

VendorProductVersionsFixed
mediawikicheckuser-

References

CWEs

CWE-352

Verify integrity in audit chain (admin only). AS-IS.