Joomla XSS in Content History due to lack of output escaping
CVE-2026-30894 Published on May 26, 2026
Joomla! Core - [20260503] - XSS in com_contenthistory
Lack of output escaping leads to a XSS vector in the content history component.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-30894 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-30894
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Affected Versions
Joomla! Project Joomla! CMS:- Version 3.0.0-5.4.5 is affected.
- Version 6.0.0-6.1.0 is affected.