Requires sending Session Token header (X-CSRF-Token)

[pendashteh]

Request for updating user data returns 403 with the error message: "X-CSRF-Token request header is missing"
More information:
https://www.drupal.org/docs/8/core/modules/rest/1-getting-started-rest-configuration-rest-request-fundamentals#fundamentals--x-csrf-token

[pendashteh]

There is a pull request available that solves this issue: #3