RESOLVED FIXED 240016
BroadcastChannel instance in data URL dedicated worker can communicate with creator context 
https://bugs.webkit.org/show_bug.cgi?id=240016
Summary BroadcastChannel instance in data URL dedicated worker can communicate with c...
Andrew Williams
Reported 2022-05-03 09:14:13 PDT
I wrote a test to determine whether a BroadcastChannel instance inside of a data URL dedicated worker can communicate with an instance in the site that created it, and it looks like it can in Safari Tech Preview 144: https://wpt.fyi/results/webmessaging/broadcastchannel/opaque-origin.html?label=experimental&label=master&aligned A data URL worker should have a unique opaque origin and shouldn't be able to communicate with a BroadcastChannel instance in the creator document, per the HTML standard.
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Add attachment proposed patch, testcase, etc.
Chris Dumez
Comment 1 2022-05-03 15:43:12 PDT
Pull request: https://github.com/WebKit/WebKit/pull/484
EWS
Comment 2 2022-05-05 09:35:17 PDT
Committed r293841 (250314@main): <https://commits.webkit.org/250314@main> Reviewed commits have been landed. Closing PR #484 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2022-05-05 09:36:13 PDT
<rdar://problem/92801721>
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