CVE-2026-27154

MEDIUM

6.1

Descricao

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, a user full name can be evaluated as raw HTML when the following settings are set: `display_name_on_posts` => true; and `prioritize_username_in_ux` => false. Editing a post of a malicious user would trigger an XSS. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

Detalhes CVE

Pontuacao CVSS v3.16.1

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado2/26/2026

Ultima modificacao3/2/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

discourse:discourse

Fraquezas (CWE)

CWE-79

Referencias

https://github.com/discourse/discourse/security/advisories/GHSA-xv43-5gcp-wgw8(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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