Unrestricted file upload vulnerability in upload.php for Free Web Publishing System (FreeWPS), possibly 2.11 and earlier, allows remote attackers to upload and execute arbitrary PHP programs.

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.