Medium severity5.4NVD Advisory· Published Mar 31, 2026· Updated Apr 9, 2026
CVE-2026-32243
CVE-2026-32243
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*+ 3 more
- cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*
- cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest.1:*:*:*
- cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*range: >=2026.1.0,<2026.1.3
- (no CPE)range: >=2026.1.0 <2026.1.3, >=2026.2.0 <2026.2.2, >=2026.3.0 <2026.3.0
Patches
Vulnerability mechanics
References
2News mentions
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