Insufficient UI Warning of Dangerous Operations in Firefox for Android - CVE-2025-6431
Published: June 24, 2025
Vulnerability identifier: #VU111892
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:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2025-6431
CWE-ID: CWE-357
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Firefox for Android
Firefox for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error in Firefox for Android when opening URLs in external applications. A remote attacker can bypass the prompt asking for confirmation to open an URL in an external application.
How to mitigate CVE-2025-6431
Install updates from vendor's website.