CVE-2024-23834

Discourse improperly sanitized user input leads to XSS

Description

Discourse is an open-source discussion platform. Improperly sanitized user input could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. The vulnerability is patched in 3.1.5 and 3.2.0.beta5. As a workaround, ensure Content Security Policy is enabled and does not include `unsafe-inline`.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.24%
Vendor Advisory github.com Vendor Advisory discourse.org Vendor Advisory discourse.org
Affected: discourse discourse
Published at:
Updated at:

References

Link Tags
https://github.com/discourse/discourse/security/advisories/GHSA-rj3g-8q6p-63pc vendor advisory
https://github.com/discourse/discourse/commit/568d704a94c528b7c2cb0f3512a7b7b606bc3000 patch
https://meta.discourse.org/t/3-1-5-security-and-bug-fix-release/293094 release notes vendor advisory
https://meta.discourse.org/t/3-2-0-beta5-add-groups-to-dms-mobile-chat-footer-redesign-passkeys-enabled-by-default-and-more/293093 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-23834?
CVE-2024-23834 has been scored as a medium severity vulnerability.
How to fix CVE-2024-23834?
To fix CVE-2024-23834, 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-2024-23834 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-23834 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-2024-23834?
CVE-2024-23834 affects discourse discourse.
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