#25334: Check CSRF Referer against CSRF_TRUSTED_ORIGINS
-----------------------------+----------------------
Reporter: joshkehn | Owner: joshkehn
Type: New feature | Status: new
Component: CSRF | Version: master
Severity: Normal | Keywords: csrf
Triage Stage: Unreviewed | Has patch: 1
Easy pickings: 0 | UI/UX: 0
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See previous discussion in #24496
Right now, if you try to share a CSRF token across a subdomain without
https, everything works great since the Referer header isn't validated.
But over https, we want to be a bit more strict and make sure that the
Referer is from another secure site, and also that the Referer matches
where we think it should be coming from. Django should validate that the
Referer header matches one of the domains listed in
`CSRF_TRUSTED_ORIGINS`, including the currently responding
`ALLOWED_HOST`.
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Ticket URL: <https://code.djangoproject.com/ticket/25334>
Django <https://code.djangoproject.com/>
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