CVE-2021-26040: Joomla!

Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! 4.0.0. The media manager does not correctly check the user's permissions before executing a file deletion command.

Affected products

• Joomla! Joomla!: version 4.0.0 only

Published 2021-08-24. Last modified 2026-06-17.