CVE-2026-116889

MEDIUM 6.1

SemanticMediaWiki 2.5.0 before 7.3.1 Stored XSS via Special:Browse Code Property

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	semanticmediawiki
Product	semanticmediawiki
Published	Oct 27, 2026
Last Updated	Oct 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

SemanticMediaWiki / SemanticMediaWiki

2.5.0 < 7.3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-6v7f-crgp-hhvp vulncheck.com: https://www.vulncheck.com/advisories/semanticmediawiki-2.5.0-before-7.3.1-stored-xss-via-special-browse-code-property

Credits

🔍 manus-pi 🔍 manus-use