[Webkit-unassigned] [Bug 170075] Can not read blobs in sandboxed iframes
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Mar 1 07:09:16 PST 2021
https://bugs.webkit.org/show_bug.cgi?id=170075
--- Comment #7 from youenn fablet <youennf at gmail.com> ---
Right, the issue is that the blob URL is something like blob://null/UUID so is considered "Not TrustedWorthy".
Chrome and Firefox seems to be treating it as trustworthy, probably because the context that created the blob is secure context.
I filed https://github.com/w3c/webappsec-mixed-content/issues/41 to clarify this since the specs are not super clear to me.
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