CVE-2025-14327

high

Description

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/

https://www.mozilla.org/security/advisories/mfsa2026-03/

https://www.mozilla.org/security/advisories/mfsa2025-95/

https://www.mozilla.org/security/advisories/mfsa2025-92/

https://bugzilla.mozilla.org/show_bug.cgi?id=1970743

Details

Source: Mitre, NVD

Published: 2025-12-09

Updated: 2026-01-15

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N