Re: [whatwg/fetch] Prevent requests to HTTP(S) URLs containing raw `\n` and `<`. (#546) from Domenic Denicola on 2023-05-31 (public-webapps-github@w3.org from May 2023)

From: Domenic Denicola <notifications@github.com>
Date: Wed, 31 May 2023 04:00:13 -0700
To: whatwg/fetch <fetch@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <whatwg/fetch/issues/546/1569975052@github.com>

I doubt that would work... I think HTML uses that wrapper sometimes, and the URL parser directly sometimes, with very little care. You'd probably need to check what the actual XSS endpoints are and introduce a new algorithm which they call?

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Received on Wednesday, 31 May 2023 11:00:19 UTC