Incomplete blacklist vulnerability in the FileUploadsFilter class in protected/components/filters/FileUploadsFilter.php in X2Engine X2CRM before 5.0.9 allows remote authenticated users to execute arbitrary PHP code by uploading a file with a .pht extension.
packetstormsecurity.com/files/133717/X2Engine-4.2-Arbitrary-File-Upload.html
seclists.org/fulldisclosure/2015/Sep/92
www.securityfocus.com/archive/1/536546/100/0/threaded
github.com/X2Engine/X2CRM/commit/10b72bfe7a1b9694f19a0adef72d85a754d4d3f8#diff-26a90fcab2707d6ef509fccb3588790f
www.exploit-db.com/exploits/38323/
www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2015-5074/