// Set attribute name and value to search for $attribute_name = 'color'; $attribute_value = 'green'; $args = array( 'post_type' => 'product', 'post_status' => 'any', 'posts_per_page' => -1, 'orderby' => 'title', 'order' => 'ASC', 'tax_query' => array( array( 'taxonomy' => 'pa_' . $attribute_name, 'field' => 'name', // can be 'slug' 'terms' => $attribute_value, ), ), ); $loop = new WP_Query( $args ); while ( $loop->have_posts() ) { $loop->the_post(); // do stuff here... e.g. get_the_ID() } wp_reset_postdata();