---
id: CVE-2026-116884
title: >-
  SemanticMediaWiki 5.0.0 before 7.3.1 Stored XSS via Tooltip Module data-*
  Attributes
summary: >-
  SemanticMediaWiki from 5.0.0 before 7.3.1 contains a stored cross-site
  scripting vulnerability in ext.smw.tooltip.tippy.js that renders data-*
  attributes via innerHTML with allowHTML enabled. Editors can plant a
  .smw-highlighter span wit…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: SemanticMediaWiki
product: SemanticMediaWiki
affected:
  - SemanticMediaWiki >= 5.0.0 < 7.3.1
published: '2026-10-27'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T10:26:46.790Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116884'
references:
  - url: >-
      https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhh
    label: GitHub Security Advisory (GHSA-4wj6-wmjp-pmhh)
  - url: >-
      https://www.vulncheck.com/advisories/semanticmediawiki-5.0.0-before-7.3.1-stored-xss-via-tooltip-module-data-attributes
    label: >-
      VulnCheck Advisory: SemanticMediaWiki 5.0.0 before 7.3.1 Stored XSS via
      Tooltip Module data-* Attributes
tags:
  - cve.org
ingestedAt: '2026-10-27T16:11:59.288Z'
---

## Overview

SemanticMediaWiki from 5.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability in ext.smw.tooltip.tippy.js that renders data-* attributes via innerHTML with allowHTML enabled. Editors can plant a .smw-highlighter span with a malicious data-content, data-title, data-top, data-bottom, or data-theme attribute to execute JavaScript when viewers, including administrators, hover it.

## Affected

- `SemanticMediaWiki >= 5.0.0 < 7.3.1`

## Remediation

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