Multiple cross-site scripting (XSS) vulnerabilities in vBulletin before 3.0.9 allow remote attackers to inject arbitrary web script or HTML via the (1) group parameter to css.php, (2) redirect parameter to index.php, (3) email parameter to user.php, (4) goto parameter to language.php, (5) orderby parameter to modlog.php, and the (6) hex, (7) rgb, or (8) expandset parameter to template.php.