Security Issue in XenForo Affects User Passkey Authentication
CVE-2025-71279

9.3CRITICAL

Key Information:

Vendor

Xen Projectforo

Status
Xen Projectforo
Vendor
CVE Published:
1 April 2026

What is CVE-2025-71279?

A security issue in XenForo prior to version 2.3.7 compromises Passkeys linked to user accounts, potentially allowing unauthorized access to systems relying on Passkey-based authentication. This vulnerability necessitates immediate attention to safeguard user data and maintain secure authentication practices. Users are advised to upgrade to the latest version for enhanced security.

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Deploy the Patch

Affected Version(s)

XenForo 2.3.0 < 2.3.7

References

https://xenforo.com/community/threads/xenforo-2-3-7-relea...
vendor-advisorypatch
https://www.vulncheck.com/advisories/xenforo-passkey-secu...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jai Niresh J
Hypixel Inc.
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