8.6
/ 10
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Description
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.
Basic Information
ID
CVE-2025-59839
Source
GitHub_M
Published
Sep 25, 2025 at 13:56
Modified
Sep 25, 2025 at 14:19
Affected Product
Vendor
StarCitizenWiki
Product
mediawiki-extensions-EmbedVideo
Version
<= 4.0.0
Affected Versions
StarCitizenWiki mediawiki-extensions-EmbedVideo <= 4.0.0
CWE Classification
References
- github.com /StarCitizenWiki/mediawiki-extensions-EmbedVideo/security/advisories/GHSA-4j5h-mvj3-m48v
- github.com /StarCitizenWiki/mediawiki-extensions-EmbedVideo/commit/4e075d3dc9a15a3ee53f449a684d5ab847e52f01
- github.com /StarCitizenWiki/mediawiki-extensions-EmbedVideo/blob/440fb331a84b2050f4cc084c1d31d58a1d1c202d/resources/ext.embedVideo.videolink.js
- github.com /StarCitizenWiki/mediawiki-extensions-EmbedVideo/blob/440fb331a84b2050f4cc084c1d31d58a1d1c202d/resources/modules/iframe.js