CVE-2015-2940: mediawiki checkuser Cross-Site Request Forgery (CSRF)
CVSS: 6.8v2.0MediumModified
AliasesUBUNTU-CVE-2015-2940DEBIAN-CVE-2015-2940
Published 13-04-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-2940 is a medium (CVSS 6.8) Cross-Site Request Forgery (CSRF) vulnerability in mediawiki checkuser. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 65% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v2.0 (NVD)EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 13-04-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionMedium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.09%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.09% on 19-09-2026
19-09-202619-10-2026
EPSS score1.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mediawiki< 1:1.19.20+dfsg-2.3
Mediawiki1 product
Ubuntu1 product
- mediawiki< 1:1.27.4-3
3 vendors · 3 products
References
10 links- lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.htmlMailing ListX Refsource MLISTPatchVendor AdvisoryREPORT
- phabricator.wikimedia.org/T85858X Refsource CONFIRM