CVE-2025-10530

6.5 MEDIUM

Published: September 16, 2025 Modified: April 13, 2026

Description

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

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: security@mozilla.org

Permissions Required

Source: security@mozilla.org

Vendor Advisory

Source: security@mozilla.org

Vendor Advisory

3 reference(s) from NVD

CVSS v3 Score

6.5 / 10.0

EPSS (Exploit Probability)

0.0%

12th percentile

Exploitation Status

Not in CISA KEV

CWE-290

mozilla