4.3

CVE-2015-2941: mediawiki Cross-site Scripting

CVSS: 4.3v2.0MediumModified
AliasesUBUNTU-CVE-2015-2941DEBIAN-CVE-2015-2941
Published 13-04-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-2941 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in mediawiki. EPSS estimates a 2.10% chance of exploitation in the next 30 days, higher than 81.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
2.10%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 13-04-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to inject arbitrary web script or HTML via an invalid parameter in a wddx format request to api.php, which is not properly handled in an error message, related to unsafe calls to wddx_serialize_value.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.10%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.10% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (phabricator.wikimedia.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • mediawiki< 1:1.19.20+dfsg-2.3
Mediawiki1 product
  • mediawiki≤ 1.19.23 | 1.20 | 1.20.1 | 1.20.2 | 1.20.3 | 1.20.4 | 1.20.5 | 1.20.6 | 1.20.7 | 1.20.8 | 1.21 | 1.21.1 | 1.21.2 | 1.21.3 | 1.21.4 | 1.21.5 | 1.21.6 | 1.21.7 | 1.21.8 | 1.21.9 | 1.21.10 | 1.21.11 | 1.22.0 | 1.22.1 | 1.22.2 | 1.22.3 | 1.22.4 | 1.22.5 | 1.22.6 | 1.22.7 | 1.22.8 | 1.22.9 | 1.22.10 | 1.22.11 | 1.22.12 | 1.22.13 | 1.22.14 | 1.22.15 | 1.23.0 | 1.23.1 | 1.23.2 | 1.23.3 | 1.23.4 | 1.23.5 | 1.23.6 | 1.23.7 | 1.23.8 | 1.24.0 | 1.24.1
Ubuntu1 product
  • mediawiki< 1:1.27.4-3

3 vendors · 3 products

References

9 links