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CVE-2025-10529

nvd nist
Published: Sep 16, 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: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Affected (3)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Mozilla
Firefox
Before 143.0
Firefox
Before 140.3.0
Thunderbird
Before 143.0

Related CWEs

CWE-942
Permissive Cross-domain Policy with Untrusted Domains
The product uses a cross-domain policy file that includes domains that should not be trusted.

References (7)

Source: security@mozilla.org
Permissions 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: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.