CVE-2025-71279

CRITICAL 9.8

XenForo Passkey Security Bypass

CVSS Score

9.8

EPSS Score

0.1%

EPSS Percentile

24th

XenForo before 2.3.7 contains a security issue affecting Passkeys that have been added to user accounts. An attacker may be able to compromise the security of Passkey-based authentication.

CWE	CWE-287
Vendor	xenforo
Product	xenforo
Published	Apr 1, 2026
Last Updated	Apr 1, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

XenForo / XenForo

2.3.0 < 2.3.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

xenforo.com: https://xenforo.com/community/threads/xenforo-2-3-7-released-includes-security-fixes.232121/ vulncheck.com: https://www.vulncheck.com/advisories/xenforo-passkey-security-bypass

Credits

Jai Niresh J Hypixel Inc.