CVEvulnerability
CVE-2021-44858
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-276
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=edit&undo= followed by action=mcrundo and action=mcrrestore to view private pages on 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-276 Incorrect Default Permissions weakness
References
- https://phabricator.wikimedia.org/T297322 Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202305-24 security.gentoo.org
- https://www.mediawiki.org/wiki/2021-12_security_release/FAQ Mitigation, Vendor Advisory
- https://phabricator.wikimedia.org/T297322 Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202305-24 security.gentoo.org
- https://www.mediawiki.org/wiki/2021-12_security_release/FAQ Mitigation, Vendor Advisory