Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-116886

Semantic MediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject scripts via External identifier property values. Attackers can annotate markup payloads that ExternalIdentifierValue renders unescaped on Special:Browse, executing JavaScript in viewers' sessions, including administrators.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 3.3%
CVSS Severity
CVSS v3 Score 5.4
Products affected by CVE-2026-116886


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