6.1

CVE-2023-51704: mediawiki Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2023-51704DEBIAN-CVE-2023-51704DLA-3896-1
Published 22-12-2023Last modified 04-11-2025
Open JSON

Vulnerability summary

CVE-2023-51704 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mediawiki. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.68%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 2
DLA-3796-1MGASA-2024-0155

Timeline

  1. 22-12-2023
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.68%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

0.00 pp

From 0.68% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.68%

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< 1:1.35.13-1+deb11u3 | < 1:1.39.7-1~deb12u1 | < 1:1.39.6-1
Mediawiki1 product
  • mediawiki< 1.35.14 | ≥ 1.36.0, < 1.39.6 | ≥ 1.40.0, < 1.40.2
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 3 products

References

9 links