CVE-2024-43408

Discourse Placeholder Forms has a XSS stopped by CSP

Description

Discourse Placeholder Forms will let you build dynamic documentation. Unsanitized and stored user input was injected in the html of the post. The vulnerability is fixed in commit a62f711d5600e4e5d86f342d52932cb6221672e7.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Affected: discourse discourse-placeholder-theme-component
Published at:
Updated at:

References

Link Tags
https://github.com/discourse/discourse-placeholder-theme-component/security/advisories/GHSA-9wx4-cmv3-g5jw
https://github.com/discourse/discourse-placeholder-theme-component/commit/a62f711d5600e4e5d86f342d52932cb6221672e7

Frequently Asked Questions

What is the severity of CVE-2024-43408?
CVE-2024-43408 has been scored as a medium severity vulnerability.
How to fix CVE-2024-43408?
To fix CVE-2024-43408, 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-2024-43408 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-43408 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-2024-43408?
CVE-2024-43408 affects discourse discourse-placeholder-theme-component.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.