Multiple cross-site scripting (XSS) vulnerabilities in Express-Web Content Management System (CMS) allow remote attackers to steal cookie-based authentication information and possibly perform other exploits via the (1) n, (2) b, (3) e, or (4) a parameters to default.asp, (5) the Referer header in an HTTP request to login.asp, or (6) the email parameter to subscribe/default.asp.