Input validation error in Firefox for iOS - CVE-2025-14744
Published: December 16, 2025
Vulnerability identifier: #VU120003
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-14744
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Firefox for iOS
Firefox for iOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of RTLO characters. A remote attacker can spoof filenames in the downloads UI and trick the victim into saving files of an unexpected file type.
How to mitigate CVE-2025-14744
Install updates from vendor's website.