CVE-2024-39320

Discourse allows iframe injection though default site setting

CVSS 6.1 MEDIUMEPSS 0.4%CWE-1021 CWE-74

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

discourse · discourse

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References

https://github.com/discourse/discourse/commit/188cb58daa833839c54c266ce22db150a3f3a210 https://github.com/discourse/discourse/commit/76f06f6b1491db6bd09a4017d2c5591431b3b16e https://github.com/discourse/discourse/security/advisories/GHSA-4p82-xh38-gq4p