CVE-2023-6206
5.4
MEDIUM
CVSS 3.1
EPSS 0.43%
Description
The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
How to fix CVE-2023-6206
To remediate CVE-2023-6206, upgrade the affected package to a fixed version below.
- —upgrade to 115.5.0esr-1~deb11u1 or later
- —upgrade to 1:115.5.0-1~deb11u1 or later
Is CVE-2023-6206 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 115.5.0esr-1~deb11u1
- from 0, < 1:115.5.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |