The EmbedPress WordPress plugin before 4.6.4 does not correctly restrict access to one of its Google Reviews REST routes to administrators, allowing any authenticated user with contributor-level access or above to read the site administrator's email address, a value WordPress core withholds from that role.
https://wpscan.com/vulnerability/5f1bc0f2-1112-4f75-b2b6-27498e43cd4b/