CVE-2018-12040
Estado: ModificadaMedia (6.1)—
Reflected Cross-site scripting (XSS) vulnerability in the web profiler in SensioLabs Symfony 3.3.6 allows remote attackers to inject arbitrary web script or HTML via the "file" parameter, aka an _profiler/open?file= URI. NOTE: The vendor states "The XSS ... is in the web profiler, a tool that should never be deployed in production (so, we don't handle those issues as security issues).
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 6.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.31%
- Percentil entre todas las CVEs puntuadas: 70
- Fecha de la puntuación: 7/10/2026
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-79
Referencias
- http://packetstormsecurity.com/files/148125/SensioLabs-Symfony-3.3.6-Cross-Site-Scripting.html
- http://www.securityfocus.com/archive/1/542071/100/0/threaded
- http://packetstormsecurity.com/files/148125/SensioLabs-Symfony-3.3.6-Cross-Site-Scripting.html
- http://www.securityfocus.com/archive/1/542071/100/0/threaded
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-12040",
"cveTags": [
{
"tags": [
"disputed"
],
"sourceIdentifier": "cve@mitre.org"
}
],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.0",
"baseScore": 6.1,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2018-06-13T22:29:00.550",
"references": [
{
"url": "http://packetstormsecurity.com/files/148125/SensioLabs-Symfony-3.3.6-Cross-Site-Scripting.html",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/archive/1/542071/100/0/threaded",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "http://packetstormsecurity.com/files/148125/SensioLabs-Symfony-3.3.6-Cross-Site-Scripting.html",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/archive/1/542071/100/0/threaded",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Reflected Cross-site scripting (XSS) vulnerability in the web profiler in SensioLabs Symfony 3.3.6 allows remote attackers to inject arbitrary web script or HTML via the \"file\" parameter, aka an _profiler/open?file= URI. NOTE: The vendor states \"The XSS ... is in the web profiler, a tool that should never be deployed in production (so, we don't handle those issues as security issues)."
},
{
"lang": "es",
"value": "** EN DISPUTA ** Vulnerabilidad de Cross-Site Scripting (XSS) reflejado en el generador de perfiles web en Symfony 3.3.6, de SensioLabs, permite que atacantes remotos inyecten scripts web o HTML mediante el parámetro \"file\". Esto también se conoce como URI _profiler/open?file=. NOTA: el fabricante indica que \"el XSS ... está en el generador de perfiles web, una herramienta que nunca debería implementarse en producción (por lo que no gestionamos estos problemas como problemas de seguridad)\"."
}
],
"lastModified": "2026-06-17T01:37:03.130",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sensiolabs:symfony:3.3.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E66D0F06-DDD6-4E64-9047-A3FF019EFCA5"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}