CVE-2026-73313

XenForo before 2.3.13 contains a multi-factor authentication bypass vulnerability in the passkey TFA provider that allows an authenticated attacker to complete…

Xenforo

XenForo before 2.3.13 contains a multi-factor authentication bypass vulnerability in the passkey TFA provider that allows an authenticated attacker to complete login as another user by submitting their own registered passkey credential during the WebAuthn assertion step. The passkey verification path performs a global credential lookup without validating that the matched credential belongs to the user whose login is pending, enabling an attacker who knows a target account's…

8. Sep 2026

Ausgewertete Quellen

• Hinweis
  https://bombobombone.github.io/posts/cve-2026-73313/
• Hinweis
  https://www.vulncheck.com/advisories/xenforo-mfa-bypass-via-passkey-tfa-provider
• NVD
  CVE-2026-73313
• GitHub
  https://github.com/BomboBombone/CVE-2026-73313