VULNERABILITY INTELLIGENCE

CVE-2024-56328

CVSS score6.5 MEDIUM
EPSS probability0.36%
CISA KEVNot currently listed
Published2025-02-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Description

Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by posting a maliciously crafted onebox url. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should enable CSP, disable inline Oneboxes globally, or allow specific domains for Oneboxing.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references