CVE-2024-39320

Discourse allows iframe injection though default site setting

State: Published
Severity: 6.1 Medium
Published: Jul 30, 2024
Updated: Aug 2, 2024
Reserved: Jun 21, 2024

Description

Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, the vulnerability allows an attacker to inject iframes from any domain, bypassing the intended restrictions enforced by the allowed_iframes setting. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5.

Scores

CVSS	Score	Vector	Source
3.1	6.1 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-1021 Improper Restriction of Rendered UI Layers or Frames

Affected Products

Product	Versions
discoursediscourse	< 3.2.5Affected >= 3.3.0.beta1, < 3.3.0.beta5Affected

References

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