---
id: CVE-2026-116887
title: >-
  Semantic MediaWiki 3.0.0 before 7.3.1 Stored XSS via Special:Browse Keyword
  Property
summary: >-
  Semantic MediaWiki from 3.0.0 before 7.3.1 contains a stored cross-site
  scripting vulnerability that allows users with page-edit rights to inject HTML
  through Keyword-typed property values rendered unescaped on Special:Browse.
  Attackers …
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: SemanticMediaWiki
product: SemanticMediaWiki
affected:
  - SemanticMediaWiki >= 3.0.0 < 7.3.1
published: '2026-10-27'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T10:26:48.819Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116887'
references:
  - url: >-
      https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-r7xx-9gqh-q8p9
    label: GitHub Security Advisory (GHSA-r7xx-9gqh-q8p9)
  - url: >-
      https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.1-stored-xss-via-special-browse-keyword-property
    label: >-
      VulnCheck Advisory: Semantic MediaWiki 3.0.0 before 7.3.1 Stored XSS via
      Special:Browse Keyword Property
tags:
  - cve.org
ingestedAt: '2026-10-27T16:11:59.286Z'
---

## Overview

Semantic MediaWiki from 3.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject HTML through Keyword-typed property values rendered unescaped on Special:Browse. Attackers can annotate a Keyword property with an event-handler payload that executes JavaScript in viewers' sessions, including administrators, to read tokens and perform actions.

## Affected

- `SemanticMediaWiki >= 3.0.0 < 7.3.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.