Unrestricted file upload vulnerability in op/op.AddFile2.php in SeedDMS (formerly LetoDMS and MyDMS) before 4.3.4 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the partitionIndex parameter and leveraging CVE-2014-2279.2 to access it via the directory specified by the fileId parameter.
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.