YayMail – WooCommerce Email Customizer, CVE-2026-1831
- CVE, Research URL
- Application
- Published on
- Feb 18, 2026
- Research Description
- The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to install and activate the YaySMTP plugin.
- Affected versions
-
max 4.3.3.
- Status
-
vulnerable