CVE-2025-71278

HIGH

8.8

Descripcion

XenForo before 2.3.5 allows OAuth2 client applications to request unauthorized scopes. This affects any customer using OAuth2 clients on any version of XenForo 2.3 prior to 2.3.5, potentially allowing client applications to gain access beyond their intended authorization level.

Detalles CVE

Puntuacion CVSS v3.18.8

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado4/1/2026

Ultima modificacion4/1/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

xenforo:xenforo

Debilidades (CWE)

CWE-863

Referencias

https://www.vulncheck.com/advisories/xenforo-oauth2-unauthorized-scope-request(disclosure@vulncheck.com)

https://xenforo.com/community/threads/xenforo-2-3-5-includes-security-fix-add-ons-released.228812/(disclosure@vulncheck.com)

Correlaciones IOC

Sin correlaciones registradas

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