Is CVE-2025-71279 actively exploited?

No active exploitation of CVE-2025-71279 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-71279 be exploited remotely?

Yes. CVE-2025-71279 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-71279?

CVE-2025-71279 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-71279

CWE-287Published: April 1, 2026· Updated: Apr 1, 2026

9.8

CVSS v3.1

EPSS:0.09%probability of exploitation in 30 daysPercentile:25.3th

Official Description

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.

NVD Source

Technical Analysis

CVE-2025-71279 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.