CVE-2026-27154

MEDIUM

6.1

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung6.1

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionREQUIRED

Veroffentlicht2/26/2026

Zuletzt geandert3/2/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

discourse:discourse

Schwachen (CWE)

CWE-79

Referenzen

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

IOC Korrelationen

Keine Korrelationen erfasst

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