- Project: Joomla!
- SubProject: CMS
- Impact: High
- Severity: Low
- Probability: Moderate
- Versions: 4.0.0-5.4.3, 6.0.0-6.0.3
- Exploit type: SQLi
- Reported Date: 2026-03-05
- Fixed Date: 2026-03-31
- CVE Number: CVE-2026-21630
Description
Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.
Affected Installs
Joomla! CMS versions 4.0.0-5.4.3, 6.0.0-6.0.3
Solution
Upgrade to version 5.4.4 or 6.0.4
Contact
The JSST at the Joomla! Security Centre.
Reported By: Antonio Morales from GitHub Security Lab Taskflow Agent / vnth4nhnt from CyStack