[20260302] – Core – SQL injection in com_content articles webservice endpoint

• 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