Passkey Auth Bypass in XenForo <2.3.7
CVE-2025-71279 Published on April 1, 2026

XenForo Passkey Security Bypass
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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2025-71279 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an authentification Vulnerability?

When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.

CVE-2025-71279 has been classified to as an authentification vulnerability or weakness.


Products Associated with CVE-2025-71279

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Affected Versions

XenForo:

Exploit Probability

EPSS
0.04%
Percentile
12.45%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.