CVE-2014-5108
Cross-site scripting (XSS) vulnerability in single_pagesdownload_file.php in concrete5 before 5.6.3 allows remote attackers to inject arbitrary web script or HTML via the HTTP Referer header to index.php/download_file.
Date published : 2014-07-28
http://www.securityfocus.com/bid/68685
https://www.concrete5.org/documentation/background/version_history/5-6-3-release-notes