zb_system/function/lib/upload.php in Z-BlogPHP through 1.5.1 allows remote attackers to execute arbitrary PHP code by using the image/jpeg content type in an upload to the zb_system/admin/index.php?act=UploadMng URI. NOTE: The vendorβs position is βWe have no dynamic including. No one can run PHP by uploading an image in current version.β It also requires authentication