XSS via inadequate content filtering in Joomla checkAttribute methods
CVE-2026-48903 Published on May 26, 2026
Joomla! Framework - [20260519] - Inadequate content filtering within the checkAttribute filter code.
Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.
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-2026-48903 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-48903
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Affected Versions
Joomla! Project Joomla! Framework Filter package:- Version 1.0.0-3.0.5 is affected.
- Version 4.0.0-4.0.1 is affected.