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, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. Versions 2.8.14 and 3.0.0.beta16 contain a patch.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | < 2.8.14 |
Related Weaknesses (CWE)
References
- https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eePatchThird Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9Third Party Advisory
- https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eePatchThird Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9Third Party Advisory
FAQ
What is CVE-2023-22455?
CVE-2023-22455 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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, tag descriptions, which can be upd...
How severe is CVE-2023-22455?
CVE-2023-22455 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-22455?
Check the references section above for vendor advisories and patch information. Affected products include: Discourse Discourse.