Unrated severityNVD Advisory· Published Jul 30, 2024· Updated Aug 2, 2024
Discourse allows iframe injection though default site setting
CVE-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 products
1- Range: < 3.2.5
Patches
49ed203ed8cdcf4cbf025b5ed188cb58daa8376f06f6b1491Vulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
3- github.com/discourse/discourse/commit/188cb58daa833839c54c266ce22db150a3f3a210mitrex_refsource_MISC
- github.com/discourse/discourse/commit/76f06f6b1491db6bd09a4017d2c5591431b3b16emitrex_refsource_MISC
- github.com/discourse/discourse/security/advisories/GHSA-4p82-xh38-gq4pmitrex_refsource_CONFIRM
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