Security Advisory

CVE-2026-32243

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-31 17:39:38

Last updated 2026-04-03 16:18:12

Assigner GitHub_M

State PUBLISHED

Description

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.

← Browse all CVEs View on cve.org ↗