CVE-2026-16621

The Payment Gateway for PayPal on WooCommerce WordPress plugin before 9.2.1 does not verify that payment actually succeeded before completing an order in its PayPal return handler: it reads attacker-controlled parameters, performs no amount comparison and no order-ownership check, and completes t...

CVE-2026-16621

The Payment Gateway for PayPal on WooCommerce WordPress plugin (pre-9.2.1) is vulnerable to an unauthenticated payment bypass in its PayPal return handler. The issue stems from not verifying that payments actually succeeded before completing an order: attacker-controlled parameters are read, ther...

CVE-2026-16621 Payment Gateway for PayPal on WooCommerce < 9.2.1 - Unauthenticated Payment Bypass via PayPal Advanced Return Handler

The Payment Gateway for PayPal on WooCommerce WordPress plugin before 9.2.1 does not verify that payment actually succeeded before completing an order in its PayPal return handler: it reads attacker-controlled parameters, performs no amount comparison and no order-ownership check, and completes t...