medium5.3
CVE-2025-1018
The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user.
Impact
The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 135.0 |
| Mozilla | Thunderbird | from 131.0 before 135.0 |