Cross-site scripting (XSS) vulnerability in the Hotel Booking Reservation System (aka HBS or com_hbssearch) component for Joomla! allows remote attackers to inject arbitrary web script or HTML via the adult parameter in a showhoteldetails action to index.php.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.