CVE-2018-12397 describes a vulnerability in Firefox and Firefox ESR where WebExtensions can access local files without the expected user warning, allowing content scripts to run on local pages without explicit permission. This high-severity vulnerability (CVSS 7.1) has a local attack vector with low complexity, potentially leading to high confidentiality and integrity impacts. While no active exploitation or public exploit code has been identified, and community discussion is minimal, affected products include canonical, debian, mozilla, and redhat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 60.3.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 63.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.