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[Form] fix default CSRF token input name #21575

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Nov 13, 2025
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[Form] fix default CSRF token input name #21575

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4 changes: 2 additions & 2 deletions security/csrf.rst
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Expand Up @@ -112,7 +112,7 @@ to do anything to be protected against CSRF attacks.

.. _form-csrf-customization:

By default Symfony adds the CSRF token in a hidden field called ``_csrf_token``, but
By default Symfony adds the CSRF token in a hidden field called ``_token``, but
this can be customized (1) globally for all forms and (2) on a form-by-form basis.
Globally, you can configure it under the ``framework.form`` option:

Expand Down Expand Up @@ -180,7 +180,7 @@ method of each form::
// enable/disable CSRF protection for this form
'csrf_protection' => true,
// the name of the hidden HTML field that stores the token
'csrf_field_name' => '_token',
'csrf_field_name' => 'custom_token_name',
// an arbitrary string used to generate the value of the token
// using a different string for each form improves its security
'csrf_token_id' => 'task_item',
Expand Down