CVEvulnerability

CVE-2018-12396

6.5 MEDIUM Published 2019-02-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-02-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
6.5 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
CWE-732

Description

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 configurations

• mozilla firefox (< 63.0) • mozilla firefox esr (< 60.3) • debian debian linux 8.0 • debian debian linux 9.0 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 18.10 • redhat enterprise linux desktop 6.0 • redhat enterprise linux desktop 7.0 • redhat enterprise linux server 6.0 • redhat enterprise linux server 7.0 • redhat enterprise linux server aus 7.6 • redhat enterprise linux server eus 7.6 • redhat enterprise linux server tus 7.6 • redhat enterprise linux workstation 6.0 • redhat enterprise linux workstation 7.0

Related

Weakness · CWE (1)

  • CWE-732 Incorrect Permission Assignment for Critical Resource weakness

References