CVE-2024-28234
Estado: AnalizadaMedia (4.7)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
- Puntuación base: 4.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.57%
- Percentil entre todas las CVEs puntuadas: 45
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-74
- NVD-CWE-noinfo
Referencias
- https://contao.org/en/security-advisories/insufficient-bbcode-sanitization
- https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2
- https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2
- https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g
- https://contao.org/en/security-advisories/insufficient-bbcode-sanitization
- https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2
- https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2
- https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-28234",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-28234",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-04-10T20:01:41.857651Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 4.7,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "contao",
"product": "contao",
"versions": [
{
"status": "affected",
"version": ">= 2.0.0, < 4.13.40"
},
{
"status": "affected",
"version": ">= 5.0.0, < 5.3.4"
}
]
}
]
}
],
"published": "2024-04-09T14:15:08.897",
"references": [
{
"url": "https://contao.org/en/security-advisories/insufficient-bbcode-sanitization",
"tags": [
"Vendor Advisory"
],
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2",
"tags": [
"Patch"
],
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2",
"tags": [
"Patch"
],
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g",
"tags": [
"Vendor Advisory"
],
"source": "security-advisories@github.com"
},
{
"url": "https://contao.org/en/security-advisories/insufficient-bbcode-sanitization",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-74"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "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."
}
],
"lastModified": "2026-06-17T07:21:13.957",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A6D7972F-AE24-4CA4-8BB6-BCA79D6A2BAB",
"versionEndExcluding": "4.13.40",
"versionStartIncluding": "2.0"
},
{
"criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "556D1F95-B80C-4819-BFC2-CF3EF735BBE6",
"versionEndExcluding": "5.3.4",
"versionStartIncluding": "5.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security-advisories@github.com"
}