CVE-2023-22453 MEDIUM

CVE-2023-22453: Discourse vulnerable to exposure of user post counts per topic to unauthorized users

Vendor Discourse
Product discourse
Weakness CWE-200 · Info exposure
Published January 5, 2023
Last update March 10, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 5, 2023 CVE published
March 10, 2025 Record updated