CVE-2023-45147 MEDIUM

CVE-2023-45147: Arbitrary keys can be added to a topic's custom fields by any user in Discourse

Vendor Discourse
Product discourse
Weakness CWE-200 · Info exposure
Published October 16, 2023
Last update September 13, 2024

CVSS base score

4.9/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Discourse is an open source community platform. In affected versions any user can create a topic and add arbitrary custom fields to a topic. The severity of this vulnerability depends on what plugins are installed and how the plugins uses topic custom fields. For a default Discourse installation with the default plugins, this vulnerability has no impact. The problem has been patched in the latest version of Discourse. Users are advised to update to version 3.1.1 if they are on the stable branch or 3.2.0.beta2 if they are on the beta branch. Users unable to upgrade should disable any plugins that access topic custom fields.

Key dates

02Disclosure timeline

October 16, 2023 CVE published
September 13, 2024 Record updated