Ticket #22112: 22112.3.patch

wp-includes/link-template.php

@@ -1500 +1500 @@
                                 return '';
                         $term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
 
+                        if ( ! $term_array || is_wp_error( $term_array ) )
+                                return '';
+
                         // Remove any exclusions from the term array to include.
                         $term_array = array_diff( $term_array, (array) $excluded_terms );
                         $term_array = array_map( 'intval', $term_array );
 
-                        if ( ! $term_array || is_wp_error( $term_array ) )
-                                return '';
-
                         $where .= " AND tt.term_id IN (" . implode( ',', $term_array ) . ")";
                 }
 
                 if ( ! empty( $excluded_terms ) ) {
-                        $where .= " AND p.ID NOT IN ( SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id IN (" . implode( $excluded_terms, ',' ) . ') )';
+                        $where .= $wpdb->prepare( " AND tt.taxonomy = %s AND tt.term_id NOT IN (" . implode( $excluded_terms, ',' ) . ')', $taxonomy );
                 }
         }