Provide references for CVE-2021-4073.
Where can I find more information about CVE-2021-4073?
References are available at: https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4073, https://plugins.trac.wordpress.org/changeset/2635173/custom-registration-form-builder-with-submission-manager/trunk/services/class_rm_user_services.php, https://www.wordfence.com/blog/2021/12/authentication-bypass-vulnerability-patched-in-user-registration-plugin/.