CVE-2023-6867
Medium
Description
The timing of a button click causing a popup to disappear was approximately the same length as 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 ESR < 115.6 and Firefox < 121.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Mozilla Firefox
PublishedDec 19, 2023
First seenDec 19, 2023
How to fix
Update
- mozilla firefox121.0 or later
- mozilla firefox_esr115.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 121.0 | 121.0 |
| mozilla firefox_esr | v < 115.6 | 115.6 |
| debian debian_linux | 10.0, 11.0, 12.0 | — |
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