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CVE-2020-26976

When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have inte

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 84
None on Exploit-DB, Metasploit or GitHub

Summary

When a HTTPS pages was embedded in a 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. This vulnerability affects Firefox < 84.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Mozilla Firefox

    fixed in 84

References 7

mozilla.org

bugzilla.mozilla.org

debian.org

security.gentoo.org

lists.debian.org