Vulnerability Description
Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has the "require moderator approval of all new topics" setting set. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. A patch is available in versions 2.8.14 and 3.0.0.beta16.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | < 2.8.14 |
Related Weaknesses (CWE)
References
- https://github.com/discourse/discourse/commit/c0e2d7badac276d82a4056a994b48d68a8PatchThird Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-ggq4-4qxc-c462Third Party Advisory
- https://github.com/discourse/discourse/commit/c0e2d7badac276d82a4056a994b48d68a8PatchThird Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-ggq4-4qxc-c462Third Party Advisory
FAQ
What is CVE-2023-22454?
CVE-2023-22454 is a vulnerability with a CVSS score of 8.0 (HIGH). Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, pending post titles can be used fo...
How severe is CVE-2023-22454?
CVE-2023-22454 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-22454?
Check the references section above for vendor advisories and patch information. Affected products include: Discourse Discourse.