CVE-2026-21630: Joomla!

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.

Affected products

• Joomla! Joomla!: from 3.0.0, before 5.4.4 (fixed in 5.4.4); from 6.0.0, before 6.0.4 (fixed in 6.0.4)

Published 2026-04-01. Last modified 2026-06-17.