CVE-2018-20028: Contao CMS

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Contao 3.x before 3.5.37, 4.4.x before 4.4.31 and 4.6.x before 4.6.11 has Incorrect Access Control.

Affected products

• Contao Contao CMS: from 3.0.0, before 3.5.37 (fixed in 3.5.37); from 4.4.0, before 4.4.31 (fixed in 4.4.31); from 4.6.0, before 4.6.11 (fixed in 4.6.11)

Published 2019-04-17. Last modified 2026-06-17.