CVE-2026-116880

High

Description

Semantic MediaWiki from 3.0.0 before 7.3.1 contains a cross-site request forgery vulnerability in Special:SMWAdmin because it overwrites the wpEditToken with a freshly generated valid token. Attackers can lure an authenticated smw-admin user to a malicious page that triggers schema setup, entity-disposal, or job actions, causing semantic data loss and resource exhaustion.

SeverityHigh

CVSS7.1

Exploit probability—

ProductSemantic-mediawiki Semantic Mediawiki

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-352Cross-site request forgery (CSRF)

How to fix

Update

semantic-mediawiki semantic_mediawiki7.3.1 or later

Vendor advisories

github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-7f7v-2qf4-gfq3

Affected products

Product	Affected versions	Fixed in
semantic-mediawiki semantic_mediawiki	3.0.0 ≤ v < 7.3.1	7.3.1

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