The Improved Include Page WordPress plugin through 1.2 allows passing shortcode attributes with post_type & post_status which can be used to retrieve arbitrary content. This way, users with a role as low as Contributor can gain access to content they are not supposed to.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Improved_include_page | Improved_include_page_project | * | 1.2 (including) |