5.3

CVE-2023-36674: mediawiki Improper Input Validation

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2023-36674DEBIAN-CVE-2023-36674
Published 20-08-2023Last modified 08-10-2024
Open JSON

Vulnerability summary

CVE-2023-36674 is a medium (CVSS 5.3) Improper Input Validation vulnerability in mediawiki. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.7% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.74%
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 2
DSA-5447-1MGASA-2023-0241

Timeline

  1. 20-08-2023
    PublishedVulnerability first disclosed.
  2. 08-10-2024
    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, 1.39.x before 1.39.4, and 1.40.x before 1.40.1. It is possible to bypass the Bad image list (aka badFile) by using the thumb parameter (aka Manualthumb) of the File syntax.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.74%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.74% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.74%

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< 1:1.39.4-1~deb12u1 | < 1:1.39.4-1
Mediawiki1 product
  • mediawikiEOL< 1.35.11 | ≥ 1.36.0, < 1.38.7 | ≥ 1.39.0, < 1.39.4 | 1.40.0
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 3 products

References

8 links