Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-29554 This vulnerability affects Firefox < 143 and Thunderbird < 143.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 13 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
Description Spoofing issue in the Site Permissions component. This vulnerability affects Firefox < 143 and Thunderbird < 143. Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

Thu, 30 Oct 2025 16:30:00 +0000

Type Values Removed Values Added
Description This vulnerability affects Firefox < 143 and Thunderbird < 143. Spoofing issue in the Site Permissions component. This vulnerability affects Firefox < 143 and Thunderbird < 143.
Title firefox: Spoofing issue in the Site Permissions component Spoofing issue in the Site Permissions component

Fri, 19 Sep 2025 20:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Thu, 18 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
Title firefox: Spoofing issue in the Site Permissions component
References
Metrics threat_severity

None

threat_severity

Low


Wed, 17 Sep 2025 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 17 Sep 2025 11:00:00 +0000

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

Tue, 16 Sep 2025 15:00:00 +0000

Type Values Removed Values Added
Description This vulnerability affects Firefox < 143. This vulnerability affects Firefox < 143 and Thunderbird < 143.
References

Tue, 16 Sep 2025 12:45:00 +0000

Type Values Removed Values Added
Description This vulnerability affects Firefox < 143.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-13T14:28:21.557Z

Reserved: 2025-09-16T06:48:46.636Z

Link: CVE-2025-10534

cve-icon Vulnrichment

Updated: 2025-09-17T14:00:21.937Z

cve-icon NVD

Status : Modified

Published: 2025-09-16T13:15:48.007

Modified: 2026-04-13T15:16:37.050

Link: CVE-2025-10534

cve-icon Redhat

Severity : Low

Publid Date: 2025-09-16T12:26:38Z

Links: CVE-2025-10534 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-09-17T10:04:52Z

Weaknesses