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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Discourse (software)/Discoursellm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: stable: <= 3.3.3
osv-coords
pkg:bitnami/discourse
Range: < 3.4.0

Patches

Vulnerability mechanics

References

github.com/discourse/discourse/security/advisories/GHSA-j855-mhxj-x6vgmitrex_refsource_CONFIRM

News mentions

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