VULNERABILITY INTELLIGENCE

CVE-2021-44857

CVSS score6.5 MEDIUM
EPSS probability0.90%
CISA KEVNot currently listed
Published2021-12-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.

Weakness classification

  • nvd@nist.gov: CWE-862

Primary references