WordPress Featured Image from URL (FIFU) plugin <= 5.3.1 - Authenticated (Contributor+) Server-Side Request Forgery via 'fifu_input_url' vulnerability

Authenticated Contributor+ Server-Side Request Forgery via 'fifuinputurl' vulnerability discovered by Dmitrii Ignatyev - CleanTalk Inc in WordPress Plugin Featured Image from URL versions = 5.3.1...