Provide references for CVE-2020-36839.
Where can I find more information about CVE-2020-36839?
References are available at: https://www.wordfence.com/threat-intel/vulnerabilities/id/ddb97db0-cbf3-42be-a5c7-12fc2a2bc9e8?source=cve, https://www.wordfence.com/blog/2020/04/critical-vulnerabilities-in-the-wp-lead-plus-x-wordpress-plugin/, https://wordpress.org/plugins/free-sales-funnel-squeeze-pages-landing-page-builder-templates-make/#developers.