CVE-2026-72728

MediumCVSS 6.3/10Last modified Sep 8, 2026

Description

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.

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Aug 10, 2026
Last modified: Sep 8, 2026
NVD status: Deferred

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