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

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Main Vulnerability Database Vulnerabilities #VU107894

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: 7.5 [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]
CVE-ID: CVE-2025-3839
CWE-ID: CWE-357
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

GNOME Web (Epiphany)
Fedora
epiphany

How to mitigate CVE-2025-3839

Install updates from vendor's website.

GNOME Web (Epiphany) - addressed in versions 47.5, 48.1
epiphany - addressed in versions 47.5-1.fc41, 48.1-1.fc42

External References

Related Security Bulletins