CVE-2023-47119

HTML injection in oneboxed links

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches, some links can inject arbitrary HTML tags when rendered through our Onebox engine. The issue is patched in version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.

Discourse es una plataforma de código abierto para el debate comunitario. Antes de la versión 3.1.3 de la rama `stable` y la versión 3.2.0.beta3 de las ramas `beta` y `tests-passed`, algunos enlaces pueden inyectar etiquetas HTML arbitrarias cuando se procesan a través de nuestro motor Onebox. El problema se solucionó en la versión 3.1.3 de la rama "stable" y en la versión 3.2.0.beta3 de las ramas "beta" y "tests-passed". No se conocen workarounds.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-10-30 CVE Reserved
2023-11-10 CVE Published
2023-11-17 EPSS Updated
2023-11-17 First Exploit
2024-09-03 CVE Updated
---------- 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 (4)

URL	Tag	Source

URL	Date	SRC
https://github.com/BaadMaro/CVE-2023-47119	2023-11-17

URL	Date	SRC
https://github.com/discourse/discourse/commit/628b293ff53fb617b3464dd27268aec84388cc09	2023-11-16
https://github.com/discourse/discourse/commit/d78357917c6a917a8a27af68756228e89c69321c	2023-11-16

URL	Date	SRC
https://github.com/discourse/discourse/security/advisories/GHSA-j95w-5hvx-jp5w	2023-11-16

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"				< 3.1.3 Search vendor "Discourse" for product "Discourse" and version " < 3.1.3"		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"		beta		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
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"		beta2, beta		Affected