Ticket #18613: 18613.2.patch

wp-includes/link-template.php

@@ -1143 +1143 @@
         $adjacent = $previous ? 'previous' : 'next';
         $op = $previous ? '<' : '>';
         $order = $previous ? 'DESC' : 'ASC';
+        $private_posts_cap_sql = get_private_posts_cap_sql( $post->post_type );
 
         $join  = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_cat, $excluded_categories );
-        $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date, $post->post_type), $in_same_cat, $excluded_categories );
+        $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = %s AND $private_posts_cap_sql $posts_in_ex_cats_sql", $current_post_date, $post->post_type), $in_same_cat, $excluded_categories );
         $sort  = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" );
 
         $query = "SELECT p.* FROM $wpdb->posts AS p $join $where $sort";