CVE-2022-0218

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.

• CWE-79
• CWE-862
• CWE-79

• https://plugins.trac.wordpress.org/changeset/2656984/wp-html-mail/trunk/includes/class-template-designer.phpPatch, Third Party Advisory
• https://www.wordfence.com/blog/2022/01/unauthenticated-xss-vulnerability-patched-in-html-email-template-designer-plugin/Exploit, Third Party Advisory
• https://plugins.trac.wordpress.org/changeset/2656984/wp-html-mail/trunk/includes/class-template-designer.phpPatch, Third Party Advisory
• https://www.wordfence.com/blog/2022/01/unauthenticated-xss-vulnerability-patched-in-html-email-template-designer-plugin/Exploit, Third Party Advisory

Published

Feb 4, 2022

Last Modified

Jun 17, 2026

Status

Modified

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