[Security] Add support for Sec-Fetch-Site to SameOriginCsrfTokenManager
#62077
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dunglas
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Oct 15, 2025
src/Symfony/Component/Security/Csrf/SameOriginCsrfTokenManager.php
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This was referenced Oct 27, 2025
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Thanks to @dunglas for pointing me at https://www.alexedwards.net/blog/preventing-csrf-in-go
This check allows confirming the same-origin of the request without having to configure the X-Forwarded et al header when using a reverse-proxy.
Nice DX improvement! Browser support is almost as good as for Origin/Referer headers: https://caniuse.com/mdn-http_headers_sec-fetch-site