vulnerability
MFSA2018-26 Firefox: Security vulnerabilities fixed in Firefox 63 (CVE-2018-12396)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Oct 23, 2018 | Oct 24, 2018 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Oct 23, 2018
Added
Oct 24, 2018
Modified
Aug 11, 2025
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.
Solution
mozilla-firefox-upgrade-63_0
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