The Events Manager WordPress plugin before 7.4.5 does not force the scope of its logged-in event and location search when a caller supplies their own owner value, letting a low-privileged user read other accounts' unpublished, pending or trashed event and venue content, including full street addresses.
https://wpscan.com/vulnerability/5669c4e6-edec-4963-8eb9-fc66d2488049/