CVE-2025-10530

MEDIUM

Mozilla Firefox < 143.0 - Authentication Bypass by Spoofing

Title source: rule
STIX 2.1

Description

Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

Scores

CVSS v3 6.5
EPSS 0.0004
EPSS Percentile 11.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-290
Status published
Products (4)
mozilla/firefox < 143.0
Mozilla/Firefox 143
mozilla/thunderbird < 143.0
Mozilla/Thunderbird 143
Published Sep 16, 2025
Tracked Since Feb 18, 2026