CVE-2018-6377: Joomla!

Medium severity, CVSS 6.1. EPSS: 56.5% chance of exploitation in the next 30 days.

In Joomla! before 3.8.4, inadequate input filtering in com_fields leads to an XSS vulnerability in multiple field types, i.e., list, radio, and checkbox

Affected products

• Joomla! Joomla!: before 3.8.4 (fixed in 3.8.4)

Published 2018-01-30. Last modified 2026-06-17.