Vulnerability Details CVE-2026-116876
Semantic MediaWiki from 2.5.0 before 7.3.1 contains an improper authorization vulnerability that allows ordinary editors to permanently protect pages by adding an Is edit protected annotation. When $smwgEditProtectionRight is enabled, EditProtectionUpdater applies indefinite edit and move restrictions without checking the author's rights, locking other editors and administrators out.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 16.2%
CVSS Severity
CVSS v3 Score 7.1
References
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/d2a198f42184373bb8604450c46a13a2c28eafa3
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-9824-67pm-c29j
- https://www.vulncheck.com/advisories/semantic-mediawiki-2.5.0-before-7.3.1-missing-authorization-via-is-edit-protected
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-9824-67pm-c29j
Products affected by CVE-2026-116876
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.1
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.2
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.3
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.4
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.5
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.6
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.7
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:2.5.8
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.0.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.0.1
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.0.2
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.1.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.1.1
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.1.2
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.1.3
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.1.4
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.1.5
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.1.6
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.2.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.2.1
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.2.2
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:3.2.3
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:4.0.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:4.0.1
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:4.0.2
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:4.1.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:4.2.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:5.0.0
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:7.2.1
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cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:7.3.0