BaselineWatch
Desk

CVE-2025-59839

5.4 medium SSVC exploitation: poc Analyzed

The EmbedVideo Extension is a MediaWiki extension which adds a parser function called #ev and various parser tags for embedding video clips from various video sharing services. In versions 4.0.0 and prior, the EmbedVideo extension allows adding arbitrary attributes to an HTML element, allowing for stored XSS through wikitext. This issue has been patched via commit 4e075d3.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.4 · star-citizenNVD modified 2026-10-11 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:star-citizen:embedvideo:*:*:*:*:*:mediawiki:*:*

References 5