CVE-2017-11503
Estado: ModificadaMedia (6.1)—
PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of code_generator.php.
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: 2.40%
- Percentil entre todas las CVEs puntuadas: 83
- Fecha de la puntuación: 2/10/2026
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://www.securityfocus.com/bid/99293/
- http://www.securitytracker.com/id/1039026
- https://cxsecurity.com/issue/WLB-2017060181
- https://packetstormsecurity.com/files/143138/phpmailer-xss.txt
- https://github.com/PHPMailer/PHPMailer
- https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.24
- http://www.securityfocus.com/bid/99293/
- http://www.securitytracker.com/id/1039026
- https://cxsecurity.com/issue/WLB-2017060181
- https://packetstormsecurity.com/files/143138/phpmailer-xss.txt
JSON original (NVD)
Mostrar
{
"id": "CVE-2017-11503",
"cveTags": [],
"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": "2017-07-20T23:29:00.310",
"references": [
{
"url": "http://www.securityfocus.com/bid/99293/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.securitytracker.com/id/1039026",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "https://cxsecurity.com/issue/WLB-2017060181",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://packetstormsecurity.com/files/143138/phpmailer-xss.txt",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/PHPMailer/PHPMailer",
"tags": [
"Product"
],
"source": "nvd@nist.gov"
},
{
"url": "https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.24",
"tags": [
"Patch",
"Release Notes",
"Third Party Advisory"
],
"source": "nvd@nist.gov"
},
{
"url": "http://www.securityfocus.com/bid/99293/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id/1039026",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://cxsecurity.com/issue/WLB-2017060181",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://packetstormsecurity.com/files/143138/phpmailer-xss.txt",
"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": "PHPMailer 5.2.23 has XSS in the \"From Email Address\" and \"To Email Address\" fields of code_generator.php."
},
{
"lang": "es",
"value": "PHPMailer versión 5.2.23 tiene XSS en los campos \"From Email Address\" y \"To Email Address\" de code_generator.php."
}
],
"lastModified": "2026-06-17T01:01:54.473",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:phpmailer_project:phpmailer:5.2.23:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "833C6842-6A40-4566-992C-0CF77CF40B70"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}