Vulnerability Description
Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable` 2.7.8 version of Discourse. As a workaround users may ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | < 2.7.8 |
Related Weaknesses (CWE)
References
- https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb991PatchThird Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9Third Party Advisory
- https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb991PatchThird Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9Third Party Advisory
FAQ
What is CVE-2021-37633?
CVE-2021-37633 is a vulnerability with a CVSS score of 7.4 (HIGH). Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified...
How severe is CVE-2021-37633?
CVE-2021-37633 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-37633?
Check the references section above for vendor advisories and patch information. Affected products include: Discourse Discourse.