Cross-Site Scripting (XSS) vulnerability in PayPal, Credit Card and Debit Card Payment affecting version 1.0. An attacker could create a specially crafted URL and send it to a victim to obtain details of their session cookie via the 'q', 'arrival', 'departure' and 'accomodation' parameters in '/index.php'.
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-janobe-products