Unrated severityNVD Advisory· Published Feb 4, 2025· Updated Feb 12, 2025
HTMLi(XSS without CSP) via Onebox urls in Discourse
CVE-2024-56328
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.
Affected products
1- Range: stable: <= 3.3.3
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- github.com/discourse/discourse/security/advisories/GHSA-j855-mhxj-x6vgmitrex_refsource_CONFIRM
News mentions
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