Multiple cross-site scripting (XSS) vulnerabilities in Symphony CMS 2.0.7 and 2.1.1 allow remote attackers to inject arbitrary web script or HTML via the (1) fields[website] parameter in the post comments feature in articles/a-primer-to-symphony-2s-default-theme/ or (2) send-email[recipient] parameter to about/.  NOTE: some of these details are obtained from third party information.