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0 sats \ 1 reply \ @ek 10h \ parent \ on: Stacker Saloon
Ah, you are right, it mentions that host permissions allow cross-site requests here:
Host permissions are specified as match patterns, and each pattern identifies a group of URLs for which the extension is requesting extra privileges. For example, a host permission could be "*://developer.mozilla.org/*".
The extra privileges include:
  • XMLHttpRequest and fetch access to those origins without cross-origin restrictions (though not for requests from content scripts, as was the case in Manifest V2).
I did not know that (I don't know anything about extensions), that is cool and scary haha
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0 sats \ 0 replies \ @carter 10h
(though not for requests from content scripts, as was the case in Manifest V2)
Yeah this is why I need to open the port to the background and do fetches from there. It's still crazy powerful. My claim to fame was a SEO extension that was calling random websites and toolbars unpublished json API's with 100k active users. It would basically overload their api with traffic overnight without any toolbar installs because I was mimicking how their extensions make their API calls. It also injected itself on every page so it was running on bank pages and stuff. I didnt keep it updated and it was removed when they went to manifest v3
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