WordPress at a glance
action is not described

wp_verify_nonce_failed action-hook . WP 4.4.0

Fires when nonce verification fails.


add_action( 'wp_verify_nonce_failed', 'action_function_name_3023', 10, 4 );
function action_function_name_3023( $nonce, $action, $user, $token ){
	// action...
The invalid nonce.
The nonce action.
The current user object.
The user's session token.

Where the hook is called

wp-includes/pluggable.php 2030
do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token );

Where the hook is used (in WP core)

Does not used.