CVE-2023-22453
Discourse vulnerable to exposure of user post counts per topic to unauthorized users
5.3
MEDIUM
CVSS 3.1
EPSS 0.27%
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, 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.
How to fix CVE-2023-22453
To remediate CVE-2023-22453, upgrade the affected package to a fixed version below.
- —upgrade to 2.8.14 or later
Is CVE-2023-22453 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.8.14
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |