6.8

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.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 13-04-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 version

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 score
1.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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