CVE-2025-13017

Same-origin policy bypass in the DOM: Notifications 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=1980904	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) Elusión de la política del mismo origen en el DOM: componente de Notificaciones. Esta vulnerabilidad afecta a Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145 y Thunderbird < 140.5.~~	(es) Elusión de la política del mismo origen en el DOM: componente de Notificaciones. 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) Elusión de la política del mismo origen en el DOM: componente de Notificaciones. 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-2025-13017

Mitre link : CVE-2025-13017

CVE.ORG link : CVE-2025-13017

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-942

Permissive Cross-domain Security Policy with Untrusted Domains

{"id": "CVE-2025-13017", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-13017", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-11-12T15:14:51.986912Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "unaffected", "version": "140.5", "versionType": "rpm", "lessThanOrEqual": "140.*"}, {"status": "unaffected", "version": "145", "versionType": "rpm", "lessThanOrEqual": "*"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "unaffected", "version": "140.5", "versionType": "rpm", "lessThanOrEqual": "140.*"}, {"status": "unaffected", "version": "145", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2025-11-11T16:15:38.793", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1980904", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-87/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-88/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-90/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-91/", "source": "security@mozilla.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-942"}]}], "descriptions": [{"lang": "en", "value": "Same-origin policy bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5."}, {"lang": "es", "value": "Elusi\u00f3n de la pol\u00edtica del mismo origen en el DOM: componente de Notificaciones. Esta vulnerabilidad afecta a Firefox < 145, Firefox ESR anterior a 140.5, Thunderbird < 145 y Thunderbird anterior a 140.5."}], "lastModified": "2026-10-23T22:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "D77916A6-B8C6-475D-8D77-D5D3AA1E1F43", "versionEndExcluding": "140.5.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "445D5AED-0882-46FE-A5F1-B7148B923221", "versionEndExcluding": "145.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}