CVE-2026-32243

MEDIUM

6.1

Descricao

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, an attacker with the ability to create shared AI conversations could inject arbitrary HTML and JavaScript via crafted conversation titles. This payload would execute in the browser of any user viewing the onebox preview, potentially allowing session hijacking or unauthorized actions on behalf of the victim. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

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

Publicado3/31/2026

Ultima modificacao4/3/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-79

Referencias

https://github.com/discourse/discourse/commit/cac7d618a562ce934f8dbf73cdb70066a4806b4c(security-advisories@github.com)

https://github.com/discourse/discourse/security/advisories/GHSA-pjc5-8x3w-rfwx(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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