Unrestricted file upload vulnerability in the Tribulant Slideshow Gallery plugin before 1.4.7 for WordPress allows remote authenticated users to execute arbitrary code by uploading a PHP file, then accessing it via a direct request to the file in wp-content/uploads/slideshow-gallery/.
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.