wp_verify_nonce_failed action-hook . WP 4.4.0

Fires when nonce verification fails.

Usage

add_action( 'wp_verify_nonce_failed', 'action_function_name_7946', 10, 4 );
function action_function_name_7946( $nonce, $action, $user, $token ){
	// action...
}

$nonce(string)

The invalid nonce.

$action(string/int)

The nonce action.

$user(WP_User)

The current user object.

$token(string)

The user's session token.

Where the hook is called

do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token );

Where the hook is used (in WP core)