Disable verifying nonce on the register page. * add_filter( 'um_login_allow_nonce_verification', '__return_false' ); */ $allow_nonce_verification = apply_filters( 'um_register_allow_nonce_verification', true, $form_data ); if ( ! $allow_nonce_verification ) { return; } if ( empty( $args['_wpnonce'] ) || ! wp_verify_nonce( $args['_wpnonce'], 'um_register_form' ) ) { /** * Filters URL for redirect if register form nonce isn't verified. * * @param {string} $error_url URL for redirect if register form nonce isn't verified. * * @return {string} URL for redirect. * * @since 2.0 * @hook um_register_invalid_nonce_redirect_url * * @example Change URL for redirect if register form nonce isn't verified. * function my_um_register_invalid_nonce_redirect_url( $error_url ) { * return '{your_custom_url}'; * } * add_filter( 'um_register_invalid_nonce_redirect_url', 'my_um_register_invalid_nonce_redirect_url' ); */ $url = apply_filters( 'um_register_invalid_nonce_redirect_url', add_query_arg( array( 'err' => 'invalid_nonce' ) ) ); um_safe_redirect( $url ); exit; } } } }