Unrestricted file upload vulnerability in upload_pictures.php in WebXell Editor 0.1.3 allows remote attackers to execute arbitrary code by uploading a .php file with a jpeg content type, then accessing it via a direct request to the file in upload/.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.