Cross-site scripting (XSS) vulnerability in include/classes/class.rex_list.inc.php in REDAXO 4.3.x and 4.4 allows remote attackers to inject arbitrary web script or HTML via the subpage parameter to index.php.
https://www.htbridge.com/advisory/HTB23098
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-3813
http://www.securityfocus.com/bid/54670
http://www.redaxo.org/de/download/sicherheitshinweise/
http://secunia.com/advisories/49904
http://archives.neohapsis.com/archives/bugtraq/2012-07/0142.html