CVE-2018-12396
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-12396
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-12396.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201810-14
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 63.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 63.0-1 |
| debian | bookworm | fixed | 60.3.0esr-1 |
| debian | bullseye | fixed | 60.3.0esr-1 |
| debian | forky | fixed | 60.3.0esr-1 |
| debian | trixie | fixed | 60.3.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.