CVE-2017-7816

CVE-2017-7816

EPSS 1.3%

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.

Affected products

Mozilla · Firefox

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1380597 https://www.mozilla.org/security/advisories/mfsa2017-21/http://www.securityfocus.com/bid/101057 http://www.securitytracker.com/id/1039465