PT-2025-39387 · Mediawiki · Embedvideo Extension
CVE-2025-59839
·
Published
2025-09-24
·
Updated
2025-09-25
CVSS v3.1
8.6
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
Name of the Vulnerable Software and Affected Versions
EmbedVideo Extension versions prior to 4.0.0
Description
The EmbedVideo Extension for MediaWiki, which includes a parser function called
#ev and parser tags for embedding video clips, contains a flaw. Versions 4.0.0 and earlier permit the addition of arbitrary attributes to an HTML element, potentially leading to stored cross-site scripting (XSS) through wikitext. The issue was addressed with commit 4e075d3.Recommendations
Update to EmbedVideo Extension version 4.0.0 or later.
Exploit
Fix
XSS
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Weakness Enumeration
Related Identifiers
Affected Products
Embedvideo Extension