Missing Authorization vulnerability in Tyche Softwares Print Invoice & Delivery Notes for WooCommerce, Tyche Softwares Arconix Shortcodes, Tyche Softwares Arconix FAQ.This issue affects Print Invoice & Delivery Notes for WooCommerce: from n/a through 4.8.1; Arconix Shortcodes: from n/a through 2.1.10; Arconix FAQ: from n/a through 1.9.3.