CVE-2019-7742: Joomla!

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

An issue was discovered in Joomla! before 3.9.3. A combination of specific web server configurations, in connection with specific file types and browser-side MIME-type sniffing, causes an XSS attack vector.

Affected products

• Joomla! Joomla!: from 1.0.0, up to and including 3.9.2

Published 2019-02-12. Last modified 2026-06-17.