Insufficient UI Warning of Dangerous Operations in Mozilla Firefox and Firefox for Android - CVE-2025-1019

Vulnerability identifier: #VU103613

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2025-1019

CWE-ID: CWE-357

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mozilla

Affected software:
Mozilla Firefox
Firefox for Android

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to the z-order of the browser windows could be manipulated to hide the fullscreen notification. A remote attacker can perform spoofing attack.

Install updates from vendor's website.

• https://www.mozilla.org/en-US/security/advisories/mfsa2025-07/