CVE-2023-23615: Discourse

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Discourse is an open source discussion platform. The embeddable comments can be exploited to create new topics as any user but without any clear title or content. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. As a workaround, disable embeddable comments by deleting all embeddable hosts.

Affected products

• Discourse Discourse: up to and including 3.0.0; version 1.1.0 only; version 1.2.0 only; version 1.3.0 only; version 1.4.0 only; version 1.5.0 only; …

Published 2023-02-03. Last modified 2026-06-17.