The project is ARCHIVED and no longer maintained.
jQuery-File-Upload dependency can be vulnerable.
Please use on your own risk.
[...] a major security issue that affects websites and applications using the Blueimp jQuery File Upload library, which is used by your wp-yadisk-files repository.
If you have not recently updated this library, you are very likely to be at risk of having your website or application compromised. The fix is to upgrade to the latest version and ensure that your Web server is configured to not execute files in the upload directory.