CVE-2026-16981 DHL for WooCommerce < 4.0.1 - Unauthenticated Shipping Label Download via IDOR

The DHL Shipping Germany for WooCommerce WordPress plugin before 4.0.1 does not perform any authorization check no capability, nonce, login, or ownership check on one of its shipping-label download endpoints, so an unauthenticated attacker can enumerate sequential ids and download every stored...