Privileged URL Loading Vulnerability in WebExtensions for Firefox < 56

CVE-2017-7816 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox < 56.

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