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action is not described

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_3023', 10, 4 );
function action_function_name_3023( $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

wp_verify_nonce()
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.