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Mozilla: WebExtension local file permission check bypass

🗓️ 24 Oct 2018 22:18:47Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

WebExtensions can access local files without the warning prompt, enabling content scripts on local pages in Firefox before 60.3 ESR and before 63.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6i686firefox60.3.0-1.el6firefox-60.3.0-1.el6.i686.rpm
Red Hat Enterprise Linux6ppc64firefox60.3.0-1.el6firefox-60.3.0-1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xfirefox60.3.0-1.el6firefox-60.3.0-1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64firefox60.3.0-1.el6firefox-60.3.0-1.el6.x86_64.rpm
Red Hat Enterprise Linux6i686firefox-debuginfo60.3.0-1.el6firefox-debuginfo-60.3.0-1.el6.i686.rpm
Red Hat Enterprise Linux6ppc64firefox-debuginfo60.3.0-1.el6firefox-debuginfo-60.3.0-1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xfirefox-debuginfo60.3.0-1.el6firefox-debuginfo-60.3.0-1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64firefox-debuginfo60.3.0-1.el6firefox-debuginfo-60.3.0-1.el6.x86_64.rpm

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27 Jun 2026 02:54Current
7.3High risk
Vulners AI Score7.3
CVSS 23.6
CVSS 37.1
EPSS0.00368
7