CVE-2025-71278

HIGH

8.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.18.8

SeveridadeHIGH

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado4/1/2026

Ultima modificacao4/1/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

xenforo:xenforo

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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