Provide references for CVE-2021-4380.
Where can I find more information about CVE-2021-4380?
References are available at: https://www.wordfence.com/threat-intel/vulnerabilities/id/e4fdc902-4cfe-4116-a294-9a0fcb2de346?source=cve, https://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-pinterest-automatic-plugin/, https://wpscan.com/vulnerability/ffd344fd-de2c-4f27-8932-41aa0a3c3d05, https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-pinterest-automatic-pin-security-bypass-4-14-3/.