CVE-2025-10530: Vulnerability in Mozilla Firefox
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
AI Analysis
Technical Summary
CVE-2025-10530 is a spoofing vulnerability affecting the WebAuthn component in Firefox for Android. The flaw could allow an attacker to deceive users by presenting falsified authentication information. Mozilla addressed this issue in Firefox 143 and Thunderbird 143 releases. The CVSS 3.1 vector indicates the vulnerability is remotely exploitable without privileges or user interaction, impacting confidentiality and integrity with no impact on availability. The vendor advisory explicitly lists this vulnerability among others fixed in Firefox 143 and Thunderbird 143.
Potential Impact
The vulnerability allows spoofing in the WebAuthn component, potentially misleading users during authentication processes, which can compromise confidentiality and integrity of authentication. However, there are no reports of active exploitation in the wild. The impact is rated moderate (medium severity) by Mozilla and CVSS scoring.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox 143 and Thunderbird 143. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation actions are required beyond applying the official update.
CVE-2025-10530: Vulnerability in Mozilla Firefox
Description
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-10530 is a spoofing vulnerability affecting the WebAuthn component in Firefox for Android. The flaw could allow an attacker to deceive users by presenting falsified authentication information. Mozilla addressed this issue in Firefox 143 and Thunderbird 143 releases. The CVSS 3.1 vector indicates the vulnerability is remotely exploitable without privileges or user interaction, impacting confidentiality and integrity with no impact on availability. The vendor advisory explicitly lists this vulnerability among others fixed in Firefox 143 and Thunderbird 143.
Potential Impact
The vulnerability allows spoofing in the WebAuthn component, potentially misleading users during authentication processes, which can compromise confidentiality and integrity of authentication. However, there are no reports of active exploitation in the wild. The impact is rated moderate (medium severity) by Mozilla and CVSS scoring.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox 143 and Thunderbird 143. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation actions are required beyond applying the official update.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mozilla
- Date Reserved
- 2025-09-16T06:48:39.895Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 68c958bfff7c553b3ddd1ee0
Added to database: 9/16/2025, 12:31:59 PM
Last enriched: 4/14/2026, 11:33:48 AM
Last updated: 5/11/2026, 9:28:42 AM
Views: 125
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