vulnerability
Red Hat: CVE-2020-6809: Mozilla: Web Extensions with the all-urls permission could access local files
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Mar 25, 2020 | Jul 9, 2025 | Jul 9, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Mar 25, 2020
Added
Jul 9, 2025
Modified
Jul 9, 2025
Description
When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.
Solution
no-fix-redhat-rpm-package
References
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