We'll create fresh WordPress site with Modify Attachments Meta installed. You have 20 minutes to test the plugin after that site we'll be deleted.
When embedding a file/image/video/something to a page, or you try to edit them in the Library, you’ll be allowed to make changes on some meta data. Currently timestamp for uploading of the file and menu order are configurable, although they are still not well validated for wrong input.
As I’m lazy as hell, I’ll need your help to think of new features to implement!
Contributors are welcome on GitHub: https://github.com/vlood/modify-attachments-meta