Axios and Postman generate unique X-CSRF tokens

Why does the X-CSRF token I receive from my axios request differ from the one I get in Postman? Here is how I am retrieving it:

headers: {
  "X-CSRF-Token": "FETCH"
}

Furthermore, I am unable to use the X-CSRF token from my axios request in Postman as it is rejected with an error message stating that it is not a valid X-CSRF token.

In addition, the token obtained from axios changes every time I make a GET request, while the token from Postman remains the same for approximately 10-15 minutes.

Token from Postman: t7HbFUE0sgE4vM36BN_u_Q==

Token from Axios: 16c47S-pA5oxZu6t_pUi8Q==

javascriptgetaxiospostmantoken

Answer №1

What causes the x-csrf token to differ between an axios request and Postman?

The purpose of a CSRF defense is defeated if hackers can predict the token used in an attack.

A distinct CSRF token is created for each specific event (like browser session, page load, or something in between) and linked to a unique client through a session/cookie.

Here is a comprehensive guide on CSRF by Example.com

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