CVE-2025-13019

Same-origin policy bypass in the DOM: Workers component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1988412	Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-87/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-88/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-90/
https://www.mozilla.org/security/advisories/mfsa2025-91/

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox:::::esr:::*
	cpe:2.3:a:mozilla:firefox:::::-:::*

History

23 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary	~~(es) Omisión de la política del mismo origen en el componente DOM: Workers. Esta vulnerabilidad afecta a Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, y Thunderbird < 140.5.~~	(es) Omisión de la política del mismo origen en el componente DOM: Workers. Esta vulnerabilidad afecta a Firefox < 145, Firefox ESR anterior a 140.5, Thunderbird < 145, y Thunderbird anterior a 140.5.

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Omisión de la política del mismo origen en el componente DOM: Workers. Esta vulnerabilidad afecta a Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, y Thunderbird < 140.5.

Information

Published : 2025-11-11 16:15

Updated : 2026-10-23 22:10

NVD link : CVE-2025-13019

Mitre link : CVE-2025-13019

CVE.ORG link : CVE-2025-13019

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-942

Permissive Cross-domain Security Policy with Untrusted Domains

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