Vulnerability Details CVE-2026-116888
SemanticMediaWiki from 3.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with the smw-schemaedit right to inject markup through an unescaped property group schema canonical_name. Attackers can save a schema whose canonical_name holds script markup, which GroupFormatter renders unescaped in Special:Browse headings, executing JavaScript in viewers' sessions including administrators.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 4.0%
CVSS Severity
CVSS v3 Score 4.8
References
Products affected by CVE-2026-116888
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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