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CVE-2025-14331

nvd nist
Published: Dec 9, 2025Modified: Apr 13, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitability: 3.9 / Impact: 2.5
Source: NVD

Description

Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Affected (5)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Mozilla
Firefox
Before 146.0
Firefox
Before 115.31.0
Firefox
From 116.0 to 140.6.0
Mozilla
Thunderbird
Before 146.0
Thunderbird
Before 140.6.0

Related CWEs

CWE-346
Origin Validation Error
The product does not properly verify that the source of data or communication is valid.

References (6)

Source: security@mozilla.org
Issue TrackingPermissions Required
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory

Timeline

No history available yet.