vulnerability
Arch Linux: Access restriction bypass (CVE-2018-12397)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:P/A:N) | Feb 28, 2019 | Jul 11, 2025 | Mar 25, 2026 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
Feb 28, 2019
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
A security issue has been found in Firefox versions prior to 63.0, where a WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened.
Solution
arch-linux-upgrade-latest
References
Rapid7 Labs
2026 Global Threat Landscape Report
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