medium4.3
CVE-2025-1019
The z-order of the browser windows could be manipulated to hide the fullscreen notification.
Impact
The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a 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 |