Insufficient UI Warning of Dangerous Operations in GNOME Web (Epiphany) - CVE-2025-3839

 

Insufficient UI Warning of Dangerous Operations in GNOME Web (Epiphany) - CVE-2025-3839

Published: April 23, 2025


Vulnerability identifier: #VU107894
CSH Severity: High
CVSS v4.0: 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:Amber
CVE-ID: CVE-2025-3839
CWE-ID: CWE-357
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
GNOME Web (Epiphany)

Detailed vulnerability description

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

The vulnerability exists due to incorrect handling of URLs that lead to external URI handlers. A remote attacker can trick the victim into clicking on a specially crafted URL and potentially execute arbitrary code on the system without any warnings to the user.


How to mitigate CVE-2025-3839

Install updates from vendor's website.

Sources