CVE-2011-0508: Improper Neutralization of Input During Web Page Generation

Cross-site scripting XSS vulnerability in system/modules/comments/Comments.php in Contao CMS 2.9.2, and possibly other versions before 2.9.3, allows remote attackers to inject arbitrary web script or HTML via the HTTP XFORWARDEDFOR header, which is stored by system/libraries/Environment.php but n...