An arbitrary file upload vulnerability in the file upload module of Ghost CMS v4.42.0 allows attackers to execute arbitrary code via a crafted file. NOTE: Vendor states as detailed in Ghost's security documentation, files can only be uploaded and published by trusted users, this is intentional
https://trends.builtwith.com/cms/Ghost
https://github.com/TryGhost/Ghost
https://ghost.org/docs/security/#privilege-escalation-attacks