How to add an upload portal in WP? FTP would be nice!

I should have done more searches, but, how can I add an upload option to my page or post?
Here is the situation: I made a wp site for my wedding, it worked very well. Many of our guests took photos and videos, I need to make it easy for them, I found a plugin that will upload one file at a time o my dropbox. Is there a plugin or a script that will add an upload multiple files to a folder within my hosting using ftp or anything else?
Of course I will have this page password protected.

Thank you :slight_smile: