The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the requesting user is permitted to read the specific post referenced in a request before returning its content and SEO metadata, allowing users with the Author role and above to read the title, body and metadata of other users' non-public posts.
https://wpscan.com/vulnerability/7cf8aa8a-7ac2-4e70-a7af-3f23e4ac1824/