High severity7.5NVD Advisory· Published Dec 20, 2021· Updated Jun 17, 2026
CVE-2021-44858
CVE-2021-44858
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- MediaWiki/MediaWikidescription
- Range: <1.35.5, <1.36.3, <1.37.1
Patches
Vulnerability mechanics
References
3- phabricator.wikimedia.org/T297322nvdPatchVendor Advisory
- www.mediawiki.org/wiki/2021-12_security_release/FAQnvdMitigationVendor Advisory
- security.gentoo.org/glsa/202305-24nvd
News mentions
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