CVE-2025-10530
MEDIUMCVSS 6.5/10EPSS 0.27%
Last modified
CVE-2025-10530 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 143.0 |
| Mozilla | Thunderbird | < 143.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1974025Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-73/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-77/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-10530?
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
How severe is CVE-2025-10530?
CVE-2025-10530 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2025-10530?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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Are you affected by CVE-2025-10530?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST