CVE-2022-46162

Discourse BBCode plugin vulnerable to arbitrary CSS injection

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

discourse-bbcode is the official BBCode plugin for Discourse. Prior to commit 91478f5, CSS injection can occur when rendering content generated with the discourse-bccode plugin. This vulnerability only affects sites which have the discourse-bbcode plugin installed and enabled. This issue is patched in commit 91478f5. As a workaround, ensure that the Content Security Policy is enabled and monitor any posts that contain bbcode.

discurso-bbcode es el complemento oficial de BBCode para Discourse. Antes de commit 91478f5, puede ocurrir una inyección de CSS al representar contenido generado con el complemento discurso-bccode. Esta vulnerabilidad solo afecta a los sitios que tienen instalado y habilitado el complemento discurso-bbcode. Este problema se solucionó en commit 91478f5. Como workaround, asegúrese de que la Política de Seguridad de Contenido esté habilitada y supervise cualquier publicación que contenga bbcode.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-11-28 CVE Reserved
2022-11-30 CVE Published
2024-06-22 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp	2024-08-03

URL	Date	SRC
https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90	2023-07-07

URL	Date	SRC

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 Bbcode Search vendor "Discourse" for product "Discourse Bbcode"				< 2022-11-30 Search vendor "Discourse" for product "Discourse Bbcode" and version " < 2022-11-30"		discourse		Affected