6.1

CVE-2023-36675: mediawiki Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2023-36675DEBIAN-CVE-2023-36675
Published 26-06-2023Last modified 05-12-2024

Vulnerability summary

CVE-2023-36675 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mediawiki. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.8% 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
0.83%
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

Timeline

  1. 26-06-2023
    PublishedVulnerability first disclosed.
  2. 05-12-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.83% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.83%

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< 1:1.39.4-1~deb12u1 | < 1:1.39.4-1
Mediawiki1 product
  • mediawiki< 1.35.11 | ≥ 1.36.0, < 1.38.7 | ≥ 1.39.0, < 1.39.4
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 3 products

References

10 links