#VU108054 Input validation error in Mozilla Firefox and Firefox for Android - CVE-2025-4089

 

#VU108054 Input validation error in Mozilla Firefox and Firefox for Android - CVE-2025-4089

Published: April 29, 2025


Vulnerability identifier: #VU108054
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-4089
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox for Android
Software vendor:
Mozilla

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient escaping of special characters in the "copy as cURL" feature. A remote attacker can trick the victim into copying a specially crafted URL and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links