What is GHSA-x3g7-fw87-vwjc?

GHSA-x3g7-fw87-vwjc is a security advisory published by GitHub Security Advisories with Medium severity. SemanticMediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability...

Which CVE IDs does GHSA-x3g7-fw87-vwjc cover?

GHSA-x3g7-fw87-vwjc covers the following CVE IDs: CVE-2026-116889. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-x3g7-fw87-vwjc?

GHSA-x3g7-fw87-vwjc has a CVSS v3 base score of 6.1, published by GitHub Security Advisories.

GHSA-x3g7-fw87-vwjcMediumCVSS 6.1

SemanticMediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability...

Vendor

GitHub Security Advisories

Published

October 27, 2026

Last Modified

October 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-116889 →

📋 Description

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.

🔗 References (4)

https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-6v7f-crgp-hhvp
https://nvd.nist.gov/vuln/detail/CVE-2026-116889
https://www.vulncheck.com/advisories/semanticmediawiki-2.5.0-before-7.3.1-stored-xss-via-special-browse-code-property
https://github.com/advisories/GHSA-x3g7-fw87-vwjc