What does token in forms protect your website from ? Name the vulnerability and describe how the tokens work/ are used to protect you from vulnerability code example

Example: tina4 form token example

<form name="myForm">
  <input name="someField">
    
  <button>Submit</button>
  {# Register a secure token in TWIG - it creates a hidden input with signed token#}
  {{  "myForm" | formToken | raw }}
</form>