Improper input validation in Mediawiki

CVE-2023-36674

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.007 (50.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Mediawiki — versions 1.40.0
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-36674?
CVE-2023-36674 is a medium-severity vulnerability in Mediawiki, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2023-08-20.
How severe is CVE-2023-36674?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-36674 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.