CVE-2021-26029: Joomla!

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.

Affected products

• Joomla! Joomla!: from 1.6.0, before 3.9.25 (fixed in 3.9.25)

Published 2021-03-04. Last modified 2026-06-17.