The All-in-One Video Gallery WordPress plugin before 5.0.0 does not check a video's publication status before rendering it on its player page, allowing unauthenticated users to view the title and source URLs of private, draft, pending, scheduled and trashed videos by their ID.
https://wpscan.com/vulnerability/a17559f9-f2d6-434f-8dd0-db4d1d9766d2/