6.5

CVE-2023-45359: mediawiki Improper Encoding or Escaping of Output

CVSS: 6.5v3.1MediumDeferred
AliasesUBUNTU-CVE-2023-45359DEBIAN-CVE-2023-45359
Published 09-10-2024Last modified 09-10-2024
Open JSON

Vulnerability summary

CVE-2023-45359 is a medium (CVSS 6.5) Improper Encoding or Escaping of Output vulnerability in mediawiki. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 27.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.06 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
MGASA-2024-0155

Timeline

  1. 09-10-2024
    PublishedVulnerability first disclosed.
  2. 09-10-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Vector Skin component for MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-toc-toggle-button-label is not escaped, but should be, because the line param can have markup.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

28%

Versus all other CVEs

30-day change

+0.06 pp

From 0.30% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.36%

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< 1:1.39.5-1~deb12u1 | < 1:1.39.5-1
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

2 vendors · 2 products

References

5 links