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 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Oct 23, 2018
Added
Oct 24, 2018
Modified
Mar 27, 2026
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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