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CVE-2025-5020

nvd nist
Published: May 21, 2025Modified: Jun 17, 2026

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4.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Exploitability: 2.8 / Impact: 1.4
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139.

Affected (1)

Products: Mozilla: Firefox
Mozilla
1 product
Firefox
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Firefox
Before 139.0

Related CWEs

CWE-939
Improper Authorization in Handler for Custom URL Scheme
The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme.

References (2)

Source: security@mozilla.org
Permissions Required
Source: security@mozilla.org
Vendor Advisory

Timeline

No history available yet.