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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.

PUBLISHED Reserved 2026-04-01 | Published 2026-04-01 | Updated 2026-04-01 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Improper Authentication

Product status

2.3.0 (semver) before 2.3.7
affected

Credits

Jai Niresh J finder

Hypixel Inc. coordinator

References

xenforo.com/...-3-7-released-includes-security-fixes.232121/ (XenForo 2.3.7 Released (Includes Security Fixes)) vendor-advisory patch

www.vulncheck.com/advisories/xenforo-passkey-security-bypass (VulnCheck Advisory: XenForo Passkey Security Bypass) third-party-advisory

cve.org (CVE-2025-71279)

nvd.nist.gov (CVE-2025-71279)

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