Provide references for CVE-2021-4375.
Where can I find more information about CVE-2021-4375?
References are available at: https://www.wordfence.com/threat-intel/vulnerabilities/id/d82e856b-c8c9-4139-ad54-89368e3b7125?source=cve, https://blog.nintechnet.com/wordpress-welcart-e-commerce-plugin-fixed-vulnerabilities/.