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CVE-2023-6206 The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 120 | earliest → < 120 | 120 |
| Firefox ESR 115.5 | earliest → < 115.5.0 | 115.5.0 |
| Thunderbird 115.5 | earliest → < 115.5 | 115.5 |
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