images.php in Justin White (aka YTZ) Free Web Publishing System (FreeWPS) 2.11 allows remote attackers to execute arbitrary PHP code by uploading a .php file into the /upload directory as specified in the dirPath parameter, then performing a direct request to that file.
https://www.exploit-db.com/exploits/1600
https://exchange.xforce.ibmcloud.com/vulnerabilities/25377