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CVE-2018-12396

CVE-2018-12396

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 2.3%
exploitation probability
2.3%top 18% of all CVEs
observed exploitation
nono source reports it
A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
Affected products
Mozilla · FirefoxMozilla · Firefox ESR
References
https://access.redhat.com/errata/RHSA-2018:3005https://access.redhat.com/errata/RHSA-2018:3006https://bugzilla.mozilla.org/show_bug.cgi?id=1483602https://lists.debian.org/debian-lts-announce/2018/11/msg00008.htmlhttps://security.gentoo.org/glsa/201811-04https://usn.ubuntu.com/3801-1/https://www.debian.org/security/2018/dsa-4324https://www.mozilla.org/security/advisories/mfsa2018-26/https://www.mozilla.org/security/advisories/mfsa2018-27/http://www.securityfocus.com/bid/105718http://www.securitytracker.com/id/1041944