Provide references for CVE-2021-4445.
Where can I find more information about CVE-2021-4445?
References are available at: https://www.wordfence.com/threat-intel/vulnerabilities/id/cffb26bc-3d3f-4593-bb36-d2abcd67861e?source=cve, https://ithemes.com/blog/wordpress-vulnerability-report-september-2021-part-2/#ib-toc-anchor-2, https://wpscan.com/vulnerability/2e5b3608-1dfc-468f-b3ae-12ce7c25ee6c, https://wordpress.org/plugins/premium-addons-for-elementor/, https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2590819%40premium-addons-for-elementor&new=2590819%40premium-addons-for-elementor&sfp_email=&sfph_mail=.