Descripción
The Auto Featured Image (Auto Post Thumbnail) plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 4.1.7 via the upload_to_library function. This makes it possible authenticated attackers, with Author-level access above, make web requests arbitrary locations originating from application can be used query modify information internal services. On Cloud instances, this issue allows metadata retrieval.
https://plugins.trac.wordpress.org/browser/auto-post-thumbnail/tags/4.1.7/includes/class-apt.php#L821
https://www.wordfence.com/threat-intel/vulnerabilities/id/93acfae6-470b-4637-b76b-e1162b80253f?source=cve