- $this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( stripslashes( $_REQUEST['s'] ) ) ) ) ) );
+ $this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( wp_unslash( $_REQUEST['s'] ) ) ) ) ) );