CVE-2020-8242: Expressionengine

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

Unsanitized user input in ExpressionEngine <= 5.4.0 control panel member creation leads to an SQL injection. The user needs member creation/admin control panel access to execute the attack.

Affected products

• Expressionengine Expressionengine: up to and including 5.4.0

Published 2022-02-18. Last modified 2026-06-17.