Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146 and Thunderbird < 146.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Mozilla
  • Firefox
  • Thunderbird

Configuration 1 [-]

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

No data.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1970743 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-14327 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-14327 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-92/ cve-icon cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-95/ cve-icon cve-icon
History

Thu, 11 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 10 Dec 2025 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
Weaknesses CWE-290
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Vendors & Products Mozilla thunderbird
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

 cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

Wed, 10 Dec 2025 18:00:00 +0000

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

Wed, 10 Dec 2025 14:45:00 +0000

Type Values Removed Values Added
Description Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146. Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146 and Thunderbird < 146.
References

Wed, 10 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

threat_severity

Moderate

Tue, 09 Dec 2025 13:45:00 +0000

Type Values Removed Values Added
Description Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146.
Title Spoofing issue in the Downloads Panel component
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2025-12-09T13:38:02.260Z

Updated: 2025-12-11T20:45:35.202Z

Reserved: 2025-12-09T13:38:01.463Z

Link: CVE-2025-14327

cve-icon Vulnrichment

Updated: 2025-12-11T20:43:09.255Z

cve-icon NVD

Status : Modified

Published: 2025-12-09T16:17:40.227

Modified: 2025-12-11T21:15:47.247

Link: CVE-2025-14327

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-12-09T13:38:02Z

Links: CVE-2025-14327 - Bugzilla