MEDIUM 6.3 NVD
CVE-2026-72728
Discourse is an open-source discussion platform. Prior to 2026.1.7, an authenticated user could submit specially formed URLs that bypassed the Onebox allowlist
Discourse is an open-source discussion platform. Prior to 2026.1.7, an authenticated user could submit specially formed URLs that bypassed the Onebox allowlist and embedded malicious content in a site. This issue is fixed in versions 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1.
References
- https://github.com/discourse/discourse/commit/92eec47e8b477cb8b4ccdb237e26dc1ba8f8b76b
- https://github.com/discourse/discourse/security/advisories/GHSA-qp9j-3v7r-wrvr
This medium severity vulnerability with a CVSS score of 6.3 was published on 2026-08-10 via NVD.
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