CVE-2019-9712: Joomla!

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! before 3.9.4. The JSON handler in com_config lacks input validation, leading to XSS.

Affected products

• Joomla! Joomla!: from 3.2.0, before 3.9.4 (fixed in 3.9.4)

Published 2019-03-12. Last modified 2026-06-17.