CVE-2024-21730: Joomla!

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The fancyselect list field layout does not correctly escape inputs, leading to a self-XSS vector.

Affected products

• Joomla! Joomla!: from 4.0.0, before 4.4.6 (fixed in 4.4.6); from 5.0.0, before 5.1.2 (fixed in 5.1.2)

Published 2024-07-09. Last modified 2026-06-17.