CVE-2015-5457
PivotX before 2.3.11 does not validate the new file extension when renaming a file with multiple extensions, which allows remote attackers to execute arbitrary code by uploading a crafted file, as demonstrated by a file named foo.php.php.
Date published : 2015-07-08
http://www.securityfocus.com/bid/75577
http://www.securityfocus.com/archive/1/535860/100/0/threaded