What is the vulnerability ID for this Discourse vulnerability?

The vulnerability ID for this Discourse vulnerability is CVE-2023-45147.

What is the severity level of CVE-2023-45147?

The severity level of CVE-2023-45147 is medium.

How can this vulnerability be exploited?

This vulnerability can be exploited by any user who can create a topic and add arbitrary custom fields to a topic.

How can I fix this vulnerability in Discourse?

To fix this vulnerability, update Discourse to version 3.2.0-beta1 or higher.

Vulnerability/
CVE-2023-45147

medium

4.9

CWE

200

16/10/2023

13/9/2024

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

First published: Mon Oct 16 2023(Updated: )

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.

Credit: security-advisories@github.com security-advisories@github.com

Affected Software	Affected Version	How to fix
Discourse Discourse	<=3.1.1
Discourse Discourse	=3.2.0-beta1

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Reference Links

https://github.com/discourse/discourse/security/advisories/GHSA-wm89-m359-f9qv

Frequently Asked Questions

What is the vulnerability ID for this Discourse vulnerability?
The vulnerability ID for this Discourse vulnerability is CVE-2023-45147.
What is Discourse?
Discourse is an open source community platform.
What is the severity level of CVE-2023-45147?
The severity level of CVE-2023-45147 is medium.
How can this vulnerability be exploited?
This vulnerability can be exploited by any user who can create a topic and add arbitrary custom fields to a topic.
How can I fix this vulnerability in Discourse?
To fix this vulnerability, update Discourse to version 3.2.0-beta1 or higher.

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