A security issue was found in Firefox before 84.0. When an HTTPS page was embedded in an HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing.
A security issue was found in Firefox before 84.0. When an HTTPS page was embedded in an HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing.
https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/#CVE-2020-26976 https://bugzilla.mozilla.org/show_bug.cgi?id=1674343
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