The wpCentral plugin before 1.5.1 for WordPress allows disclosure of the connection key.
https://plugins.trac.wordpress.org/changeset?&old=2244363%40wp-central&new=2244363%40wp-central
https://wordpress.org/plugins/wp-central/#developers
https://wpvulndb.com/vulnerabilities/10074
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9043