VDB
CVE-2018-12396
CVE-2018-12396
PUBLISHED
CVSS 6.5 MEDIUM
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.
EPSS 2.27% · 82.4th percentile
Risk Scores
CVSS 3.0
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS Score
2.27%
82.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | firefox | *, 62.0.3+build1-0ubuntu0.18.04.1, 62.0+build2-0ubuntu0.18.04.4 |
| Ubuntu:14.04:LTS | firefox | 36.0+build2-0ubuntu0.14.04.4, 36.0.1+build2-0ubuntu0.14.04.1, 36.0.4+build1-0ubuntu0.14.04.1 |
| Ubuntu:16.04:LTS | firefox | 52.0+build2-0ubuntu0.16.04.1, 44.0+build3-0ubuntu2, 44.0.1+build1-0ubuntu1 |
| Ubuntu:18.04:LTS | mozjs38 | 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu1, 0 |
| Ubuntu:20.04:LTS | mozjs52 | 0, 52.9.1-1ubuntu3, 52.9.1-1build1 |
| Ubuntu:18.04:LTS | mozjs52 | 0, 52.3.1-0ubuntu3, 52.3.1-7fakesync1 |
Timeline
- Oct 24, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
- Mar 16, 2023 EPSS Score
- May 18, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-12396 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12396 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12396 third-party-advisory
- https://ubuntu.com/security/notices/USN-3801-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-12396 third-party-advisory