Ticket #24803: 24803.diff

wp-includes/post.php

@@ -2056 +2056 @@
         $query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s";
         if ( 'readable' == $perm && is_user_logged_in() ) {
                 $post_type_object = get_post_type_object($type);
-                if ( !current_user_can( $post_type_object->cap->read_private_posts ) ) {
+                if ( $post_type_object && !current_user_can( $post_type_object->cap->read_private_posts ) ) {
                         $cache_key .= '_' . $perm . '_' . $user->ID;
                         $query .= " AND (post_status != 'private' OR ( post_author = '$user->ID' AND post_status = 'private' ))";
                 }