Security features bypass in Firefox for Android - CVE-2025-11716
Published: October 14, 2025
Vulnerability identifier: #VU116999
CSH Severity: Medium
CVSS v4: 5.1 [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]
CVE-ID: CVE-2025-11716
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to incorrect handling of sendboxed iframes. A remote attacker can trick the victim into clicking on a specially crafted link and open an external app on Android without the required "allow-" permission.
Affected software
Firefox for Android
Mozilla Thunderbird
Mozilla Thunderbird
How to mitigate CVE-2025-11716
Install updates from vendor's website.
Firefox for Android - update to 144.0
Mozilla Thunderbird - update to 144.0
Mozilla Thunderbird - update to 144.0