Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.Referenceshttp://www.securityfocus.com/bid/95686https://github.com/symphonycms/symphony-2/releases/tag/2.6.10https://github.com/symphonycms/symphony-2/issues/2639
