CVE-2026-76009 Next-Cart Store to WooCommerce Migration <= 3.9.8 - Unauthenticated Authentication Bypass via Default '__token__' Fallback in REST Migration Endpoint

The Next-Cart Store to WooCommerce Migration plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 3.9.8 via the NCWMKitconnect::run function. This is due to the plugin registering the /wp-json/nextcart/v1/migration REST route with permissioncallback se...