CVE-2026-116889
mediumSemanticMediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject script through…
Vendor / product: Semantic-mediawiki — semantic mediawiki
SemanticMediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject script through Code-typed property values. Attackers can annotate a valid JSON value embedding HTML markup, which the CodeStringValueFormatter renders unescaped on Special:Browse, executing JavaScript in viewers' sessions.
CVSS
6.1
6.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-10-27 11:17
Modified: 2026-10-28 15:33
NVD status: Analyzed
Last synced 20 hours ago
Verified against the source API 2026-10-28 16:01 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
semantic-mediawiki / semantic_mediawiki ≥2.5.0 <7.3.1
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-6v7f-crgp-... disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/semanticmediawiki-2.5.0-before-7.3.1-stored-xss-via-s... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 16:01 UTC · record ↗