Cross-site scripting (XSS) vulnerability in includes/refreshDate.php in the Joomlaskin JS Multi Hotel (aka JS MultiHotel and Js-Multi-Hotel) plugin 2.2.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the roomid parameter.
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.