CVE-2026-126566
Semantic MediaWiki 7.3.1 before 7.4.1 Incorrect Authorization via Edit Protection Annotations
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
Semantic MediaWiki 7.3.1 before 7.4.1 contains an incorrect authorization vulnerability in EditProtectionUpdater::userMayChangeProtection() that checks protection changes against the page's latest revision author. Editors can add {{#set:Is edit protected=false}} to a transcluded template, removing administrator edit and move protection logged under the administrator's name.
| CWE | CWE-863 |
| Vendor | semanticmediawiki |
| Product | semanticmediawiki |
| Published | Nov 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low
Affected Versions
SemanticMediaWiki / SemanticMediaWiki
7.3.1 < 7.4.1
References
github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-gh59-2vh3-6cgm github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/32ca6d8fc75735aa7a2ecc573886391da126da9b github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1 github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Protection/EditProtectionUpdater.php#L147-L200 github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/DataUpdater.php#L360-L375 vulncheck.com: https://www.vulncheck.com/advisories/semantic-mediawiki-7.3.1-before-7.4.1-incorrect-authorization-via-edit-protection-annotations
Credits
AlpetGexha