PAYCOMET for WooCommerce 5.36 - 5.45 - Unauthenticated Stored Payment Token Overwrite via Signature Verification Bypass

The PAYCOMET for WooCommerce WordPress plugin before 5.46 does not verify the cryptographic signature on its payment notification endpoint when the request references a tokenisation operation, allowing unauthenticated attackers to overwrite the stored payment token associated with existing orders and delete saved card records.