What is GHSA-r3ph-v85f-2wx6?

GHSA-r3ph-v85f-2wx6 is a security advisory published by GitHub Security Advisories with Medium severity. Semantic MediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability...

Which CVE IDs does GHSA-r3ph-v85f-2wx6 cover?

GHSA-r3ph-v85f-2wx6 covers the following CVE IDs: CVE-2026-116886. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r3ph-v85f-2wx6?

GHSA-r3ph-v85f-2wx6 has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-r3ph-v85f-2wx6MediumCVSS 5.4

Semantic MediaWiki 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-2026-116886 →

📋 Description

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.

🔗 References (4)

https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-2gfw-3hj2-wfq5
https://nvd.nist.gov/vuln/detail/CVE-2026-116886
https://www.vulncheck.com/advisories/semantic-mediawiki-before-7.3.1-stored-xss-via-external-identifier-in-special-browse
https://github.com/advisories/GHSA-r3ph-v85f-2wx6