CVE-2020-10242: Joomla!

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! before 3.9.16. Inadequate handling of CSS selectors in the Protostar and Beez3 JavaScript allows XSS attacks.

Affected products

• Joomla! Joomla!: from 3.0.0, before 3.9.16 (fixed in 3.9.16)

Published 2020-03-16. Last modified 2026-06-17.