An issue was discovered in the WPGraphQL 0.2.3 plugin for WordPress. By querying the ‘users’ RootQuery, it is possible, for an unauthenticated attacker, to retrieve all WordPress users details such as email address, role, and username.
packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.html
github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py
github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0
wpvulndb.com/vulnerabilities/9282
www.pentestpartners.com/security-blog/pwning-wordpress-graphql/