CVE-2026-3474: Improper Limitation of a Pathname to a Restricted Directory

The EmailKit – Email Customizer for WooCommerce & WP plugin for WordPress is vulnerable to arbitrary file read via path traversal in all versions up to, and including, 1.6.3. This is due to the action function in the TemplateData class passing user-supplied input from the 'emailkit-editor-templat...