The FileBird – WordPress Media Library Folders & File Manager plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.6.3 via folder deletion due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with author access or higher, to delete folders created by other users and make their file uploads visible.

The FileBird – WordPress Media Library Folders & File Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the folder name parameter in all versions up to, and including, 5.6.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.