CVEvulnerability

CVE-2021-44857

6.5 MEDIUM Published 2021-12-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:P/A:N
Weaknesses
CWE-862

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.

Affected configurations

• mediawiki mediawiki (< 1.35.5) • mediawiki mediawiki (>= 1.36.0 < 1.36.3) • mediawiki mediawiki (>= 1.37.0 < 1.37.1)

Related

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References