CVE-2023-45147

Arbitrary keys can be added to a topic's custom fields by any user in Discourse

Severity Score

3.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

Discourse es una plataforma comunitaria de código abierto. En las versiones afectadas, cualquier usuario puede crear un tema y agregar campos personalizados arbitrarios a un tema. La gravedad de esta vulnerabilidad depende de los complementos instalados y de cómo los complementos utilizan los campos personalizados de temas. Para una instalación predeterminada de Discourse con los complementos predeterminados, esta vulnerabilidad no tiene ningún impacto. El problema se solucionó en la última versión de Discourse. Se recomienda a los usuarios que actualicen a la versión 3.1.1 si están en la rama estable o 3.2.0.beta2 si están en la rama beta. Los usuarios que no puedan actualizar deben deshabilitar los complementos que accedan a los campos personalizados del tema.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-10-04 CVE Reserved
2023-10-16 CVE Published
2024-09-13 CVE Updated
2024-09-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://github.com/discourse/discourse/security/advisories/GHSA-wm89-m359-f9qv	2023-11-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Discourse Search vendor "Discourse"		Discourse Search vendor "Discourse" for product "Discourse"				<= 3.1.1 Search vendor "Discourse" for product "Discourse" and version " <= 3.1.1"		stable		Affected
Discourse Search vendor "Discourse"		Discourse Search vendor "Discourse" for product "Discourse"				3.2.0 Search vendor "Discourse" for product "Discourse" and version "3.2.0"		beta1, beta		Affected