cbcvebase.
CVE-2017-7816
published 2018-06-11

CVE-2017-7816: WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This…

PriorityP424medium5.3CVSS 3.0
AVNACLPRNUINSUCLINAN
EPSS
1.28%
66.4th percentile
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

8 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 56.0-1 (sid)firefox 56.0-1 (sid)
mozillafirefox<= 55.0.3
mozillafirefox>= 0 < 56.0+build6-0ubuntu0.14.04.156.0+build6-0ubuntu0.14.04.1
mozillafirefox>= 0 < 56.0+build6-0ubuntu0.14.04.256.0+build6-0ubuntu0.14.04.2
mozillafirefox>= 0 < 56.0+build6-0ubuntu0.16.04.156.0+build6-0ubuntu0.16.04.1
mozillafirefox>= 0 < 56.0+build6-0ubuntu0.16.04.256.0+build6-0ubuntu0.16.04.2
mozillafirefox>= 0 < 56.0+build6-0ubuntu156.0+build6-0ubuntu1
mozillafirefox>= unspecified < 5656

CVSS provenance

nvdv3.05.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_redhat6.5MEDIUM
vendor_debian5.3MEDIUM
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