Site isolation issue in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

Project Subscriptions

Vendors Products
Mozilla Subscribe
Firefox Subscribe
Thunderbird Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 03 Sep 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Thu, 03 Sep 2026 18:45:00 +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

Thu, 03 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


Wed, 02 Sep 2026 05:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Wed, 02 Sep 2026 04:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description Site isolation issue in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2. Site isolation issue in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
References

Tue, 01 Sep 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Weaknesses CWE-200
Vendors & Products Mozilla
Mozilla firefox

Tue, 01 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Description Site isolation issue in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2.
Title Site isolation issue in the DOM: Push Subscriptions component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-03T17:24:32.013Z

Reserved: 2026-09-01T07:25:39.807Z

Link: CVE-2026-84133

cve-icon Vulnrichment

Updated: 2026-09-03T16:14:41.116Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-01T13:20:07.330

Modified: 2026-09-03T18:34:49.750

Link: CVE-2026-84133

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T23:45:04Z

Weaknesses