Provide references for CVE-2019-15816.
Where can I find more information about CVE-2019-15816?
References are available at: https://wpvulndb.com/vulnerabilities/9817, https://wordpress.org/plugins/wp-private-content-plus/#developers, https://blog.nintechnet.com/unauthenticated-options-change-vulnerability-in-wordpress-wp-private-content-plus-plugin/.