The Directorist WordPress plugin before 7.0.6.2 was vulnerable to Cross-Site Request Forgery to Remote File Upload leading to arbitrary PHP shell uploads in the wp-content/plugins directory.
https://wpscan.com/vulnerability/4c45df6d-b3f6-49e5-8b1f-edd32a12d71c
https://blog.sucuri.net/2021/11/fake-ransomware-infection-spooks-website-owners.html