CVE-2025-71279: Xenforo

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Xenforo Xenforo: before 2.3.7 (fixed in 2.3.7)

Published 2026-04-01. Last modified 2026-06-17.