The Content Views WordPress plugin before 4.5.1.2 does not check whether the user requesting a view is allowed to read the posts it returns, allowing unauthenticated attackers to obtain the title and content of non-public posts, such as draft, pending, private and scheduled posts, when a view has been configured to include them.
https://wpscan.com/vulnerability/abd82cce-9652-4598-b830-0b08fe3c334b/