CVE-2018-12396
Estado: ModificadaMedia (6.5)—
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.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.27%
- Percentil entre todas las CVEs puntuadas: 83
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (10)
CWE
- CWE-732
Referencias
- http://www.securityfocus.com/bid/105718
- http://www.securitytracker.com/id/1041944
- https://access.redhat.com/errata/RHSA-2018:3005
- https://access.redhat.com/errata/RHSA-2018:3006
- https://bugzilla.mozilla.org/show_bug.cgi?id=1483602
- https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
- https://security.gentoo.org/glsa/201811-04
- https://usn.ubuntu.com/3801-1/
- https://www.debian.org/security/2018/dsa-4324
- https://www.mozilla.org/security/advisories/mfsa2018-26/
- https://www.mozilla.org/security/advisories/mfsa2018-27/
- http://www.securityfocus.com/bid/105718
- http://www.securitytracker.com/id/1041944
- https://access.redhat.com/errata/RHSA-2018:3005
- https://access.redhat.com/errata/RHSA-2018:3006
- https://bugzilla.mozilla.org/show_bug.cgi?id=1483602
- https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
- https://security.gentoo.org/glsa/201811-04
- https://usn.ubuntu.com/3801-1/
- https://www.debian.org/security/2018/dsa-4324
- https://www.mozilla.org/security/advisories/mfsa2018-26/
- https://www.mozilla.org/security/advisories/mfsa2018-27/
JSON original (NVD)
Mostrar
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