Multiple cross-site scripting (XSS) vulnerabilities in Turbo Traffic Trader C (TTT-C) 1.0 allow remote attackers to inject arbitrary HTML or web script, as demonstrated via (1) the link parameter to ttt-out, (2) the X-Forwarded-For header in a GET request to ttt-in, (3) the Referer header in a GET request to ttt-in, or the (4) site name or (5) site URL fields in the main control panel.