Unrestricted file upload vulnerability in upload.php in Elkagroup Image Gallery 1.0 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in gallery/pictures/. NOTE: some of these details are obtained from third party information.
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.