CVE-2024-28234

Contao has insufficient BBCode sanitizer

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Contao is an open source content management system. Starting in version 2.0.0 and prior to versions 4.13.40 and 5.3.4, it is possible to inject CSS styles via BBCode in comments. Installations are only affected if BBCode is enabled. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable BBCode for comments.

Contao es un sistema de gestión de contenidos de código abierto. A partir de la versión 2.0.0 y anteriores a las versiones 4.13.40 y 5.3.4, es posible inyectar estilos CSS a través de BBCode en los comentarios. Las instalaciones sólo se ven afectadas si BBCode está habilitado. Las versiones 4.13.40 y 5.3.4 de Contao tienen un parche para este problema. Como workaround, desactive BBCode para comentarios.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-03-07 CVE Reserved
2024-04-09 CVE Published
2024-08-02 CVE Updated
2025-01-03 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CAPEC

References (4)

URL	Tag	Source
https://contao.org/en/security-advisories/insufficient-bbcode-sanitization	X_refsource_misc
https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2	X_refsource_misc
https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2	X_refsource_misc
https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				>= 2.0.0 < 4.13.40 Search vendor "Contao" for product "Contao" and version " >= 2.0.0 < 4.13.40"		en		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				>= 5.0.0 < 5.3.4 Search vendor "Contao" for product "Contao" and version " >= 5.0.0 < 5.3.4"		en		Affected