CVE-2016-6174: Undefined Security Weakness

applications/core/modules/front/system/content.php in Invision Power Services IPS Community Suite aka Invision Power Board, IPB, or Power Board before 4.1.13, when used with PHP before 5.4.24 or 5.5.x before 5.5.8, allows remote attackers to execute arbitrary code via the contentclass parameter...