HIGH
Discourse allows self-XSS through malicious composer message
Published Nov 29, 2022
7.1
HIGHCVSS 3.1
EPSS 0.48%
Description
Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.
Affected products
-
- Version <= 2.8.10StatusaffectedConstraints-
- Version >= 2.9.0.beta1, <= 2.9.0.beta11StatusaffectedConstraints-
- Version
OR
- ≤ 2.8.10
- 2.9.0
- 2.9.0
- 2.9.0
- 2.9.0
- 2.9.0
- 2.9.0
- 2.9.0
- 2.9.0
- 2.9.0
- 2.9.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (1)
- https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh Third Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh | Third Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner GitHub_M
Published Nov 29, 2022
Updated Apr 23, 2025
Reserved Nov 28, 2022
Link CVE-2022-46148
CISA Vulnrichment
Updated Apr 23, 2025