Search results for: "incorrect file types"

In the context of uploading images in PHP, why is it important to validate file types based on MIME types rather than file extensions?

When uploading images in PHP, it is important to validate file types based on MIME types rather than file extensions because file extensions can be ea...

How can HTML5 attributes like "accept" be used to limit file types in a file upload form?

To limit file types in a file upload form using HTML5 attributes like "accept", you can specify the allowed file types in the accept attribute of the...

How can PHP be used to read and determine file types based on their Hex code?

To determine file types based on their Hex code, you can read the first few bytes of a file and compare them to known file signature patterns. This ca...

How can the upload script be modified to restrict file uploads to specific file types only?

To restrict file uploads to specific file types only, you can modify the upload script to check the file type before allowing the upload to proceed. Y...

What are common pitfalls when comparing file types in PHP file uploads?

Common pitfalls when comparing file types in PHP file uploads include not properly validating the file type, relying solely on the file extension (whi...