Servers and applications
CVE-2023-22453
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, the number of times a user posted in an arbitrary topic is exposed to unauthorized users through the `/u/username.json` endpoint. The issue is patched in version 2.8.14 and 3.0.0.beta16. There is no known workaround.
- Severity
- Medium 5.3
- Published
- 5 Jan 2023
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 2.8.14
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
DiscourseServers and applications · cpe:a:discourse:discourse |
All 206 release lines
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