CVE-2024-39320

MEDIUM6.1EPSS 0.87%

Discourse allows iframe injection though default site setting

Published: 8/1/2024Modified: 10/15/2025

Also known as:GHSA-4p82-xh38-gq4pBIT-discourse-2024-39320

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.

Affected packages (1)

Bitnami/discoursefrom 0, < 3.2.5

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References (4)

WEBhttps://github.com/discourse/discourse/commit/188cb58daa833839c54c266ce22db150a3f3a210
WEBhttps://github.com/discourse/discourse/commit/76f06f6b1491db6bd09a4017d2c5591431b3b16e
WEBhttps://github.com/discourse/discourse/security/advisories/GHSA-4p82-xh38-gq4p
WEBhttps://nvd.nist.gov/vuln/detail/CVE-2024-39320