Check list to test uploading function for bypassing validation.

[Case-1] Test uploading Portable Execution(PE).
[Case-2] Test bypassing client side validation.
[Case-3] Test performing stored XSS on file name.
[Case-4] Test no file content validation.
[Case-5] Test no file size validation.
[Case-6] Test bypassing validation based on content type/mime type.
[Case-7] Test bypassing blacklist by using Multiple extension with adding more file extensions
[Case-8] Test bypassing blacklist by using Multiple extension with separating file extensions using Semi colons.
[Case-9] Test bypassing blacklist by using Multiple extension with using forbidden file extensions
[Case-10] Test bypassing blacklist by using uncommon executable extensions.
[Case-11] Test bypassing blacklist by changing case in extensions.
[Case-12] Test bypassing blacklist by adding neutral spaces.
[Case-13] Test bypassing blacklist by using Null Byte.
[Case-14] Test bypassing by using embedded executable extension in excel sheet.
[Case-15] Test bypassing by using embedded executable in pdf file.
[Case-16] Test overwriting critical files.