CMS Made Simple 2.x before 2.1.3 and 1.x before 1.12.2, when Smarty Cache is activated, allow remote attackers to conduct cache poisoning attacks, modify links, and conduct cross-site scripting (XSS) attacks via a crafted HTTP Host header in a request.
packetstormsecurity.com/files/136897/CMS-Made-Simple-Cache-Poisoning.html
seclists.org/fulldisclosure/2016/May/15
www.cmsmadesimple.org/2016/03/Announcing-CMSMS-1-12-2-kolonia/
www.cmsmadesimple.org/2016/04/Announcing-CMSMS-2-1-3-Black-Point/
www.securityfocus.com/archive/1/538272/100/0/threaded
www.exploit-db.com/exploits/39760/