CVE-2025-14327

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-14327
Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, Firefox ESR < 140.7, and Thunderbird < 140.7.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1970743 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-92/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-95/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-03/
https://www.mozilla.org/security/advisories/mfsa2026-05/
Configurations

Configuration 1 (hide)

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

15 Jan 2026, 10:16

Type Values Removed Values Added
Summary (en) Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, and Firefox ESR < 140.7. (en) Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, Firefox ESR < 140.7, and Thunderbird < 140.7.
References
  • () https://www.mozilla.org/security/advisories/mfsa2026-05/ -

13 Jan 2026, 14:16

Type Values Removed Values Added
References
  • () https://www.mozilla.org/security/advisories/mfsa2026-03/ -
Summary (en) Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146 and Thunderbird < 146. (en) Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, and Firefox ESR < 140.7.

10 Dec 2025, 20:29

Type Values Removed Values Added
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1970743 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1970743 - Issue Tracking, Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2025-92/ - () https://www.mozilla.org/security/advisories/mfsa2025-92/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-95/ - () https://www.mozilla.org/security/advisories/mfsa2025-95/ - Vendor Advisory
First Time Mozilla
Mozilla firefox
Mozilla thunderbird
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-290

10 Dec 2025, 15:15

Type Values Removed Values Added
Summary (en) Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146. (en) Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146 and Thunderbird < 146.
References
  • () https://www.mozilla.org/security/advisories/mfsa2025-95/ -

09 Dec 2025, 16:17

Type Values Removed Values Added
New CVE
Information

Published : 2025-12-09 16:17

Updated : 2026-01-15 10:16

NVD link : CVE-2025-14327

Mitre link : CVE-2025-14327

CVE.ORG link : CVE-2025-14327

JSON object : View

Products Affected

mozilla

  • thunderbird
  • firefox
CWE
CWE-290

Authentication Bypass by Spoofing