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OpenAdvisories
Medium · 6.5 CVE-2023-26040 EUVD-2023-29926

Discourse chat messages susceptible to Cross-site Scripting through chat excerpts

Published Mar 17, 2023 · Updated Feb 25, 2025 · Assigned by GitHub_M

Description

Discourse is an open-source discussion platform. Between versions 3.1.0.beta2 and 3.1.0.beta3 of the `tests-passed` branch, editing or responding to a chat message containing malicious content could lead to a cross-site scripting attack. This issue is patched in version 3.1.0.beta3 of the `tests-passed` branch. There are no known workarounds.

Affected products

VendorProductAffectedFixed
discourse discourse tests-passed > 3.1.0.beta2, < 3.1.0.beta3 —

References