Logo Carousel < 3.4.2 - Unauthorised Private Post Access

1) Go to Logo Carousel -> Shortcode Generator.
2) If there is no carousel, create one.
3) Copy URL of the "Duplicate" link under the carousel item.
4) Replace "post" parameter with the post ID of a private post.
5) Visit the link.
6) The private post is duplicated. The post can be viewed at Posts -> All Posts.

e.g: https://example.com/wp-admin/admin.php?action=sp_lc_shortcode_duplicate&post=1764&sp_lc_duplicate_nonce=1c00367003