WordPress Fancy Product Designer plugin before 4.6.9 is susceptible to an arbitrary file upload. An attacker can upload malicious files and execute code on the server, modify data, and/or gain full control over a compromised system without authentication.
View the template here CVE-2021-24370.yaml
References:
https://www.secpod.com/blog/critical-zero-day-flaw-actively-exploited-in-wordpress-fancy-product-designer-plugin/