Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 20 May 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird

Tue, 19 May 2026 19:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Tue, 19 May 2026 17:45:00 +0000

Type Values Removed Values Added
Description Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151. Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
References

Tue, 19 May 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-942
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 19 May 2026 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 19 May 2026 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Tue, 19 May 2026 13:45:00 +0000

Type Values Removed Values Added
Description Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151.
Title Same-origin policy bypass in the DOM: Networking component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-05-19T17:10:52.773Z

Reserved: 2026-05-19T12:29:38.570Z

Link: CVE-2026-8948

cve-icon Vulnrichment

Updated: 2026-05-19T16:41:04.209Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-19T14:16:51.027

Modified: 2026-05-20T14:53:13.603

Link: CVE-2026-8948

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-19T20:30:13Z

Weaknesses