CVE-2022-0218: Codemiq WordPress Email Template Designer

Medium severity, CVSS 6.1. EPSS: 70.5% chance of exploitation in the next 30 days.

The WP HTML Mail WordPress plugin is vulnerable to unauthorized access which allows unauthenticated attackers to retrieve and modify theme settings due to a missing capability check on the /themesettings REST-API endpoint found in the ~/includes/class-template-designer.php file, in versions up to and including 3.0.9. This makes it possible for attackers with no privileges to execute the endpoint and add malicious JavaScript to a vulnerable WordPress site.

Affected products

• Codemiq WordPress Email Template Designer: up to and including 3.0.9

Published 2022-02-04. Last modified 2026-06-17.