WordPress Portugal CTT Tracking for WooCommerce plugin <= 2.1 - Reflected Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marco Almeida | Webdados Portugal CTT Tracking for WooCommerce portugal-ctt-tracking-woocommerce.This issue affects Portugal CTT Tracking for WooCommerce: from n/a through <= 2.1.