CVE-2024-39320

Discourse allows iframe injection though default site setting

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.

Categories

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory github.com
Affected: discourse discourse
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2024-39320?
CVE-2024-39320 has been scored as a medium severity vulnerability.
How to fix CVE-2024-39320?
To fix CVE-2024-39320, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-39320 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-39320 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-39320?
CVE-2024-39320 affects discourse discourse.
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