CVE-2019-25138
Estado: ModificadaCrítica (9.8)—
The User Submitted Posts plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the usp_check_images function in versions up to, and including, 20190312. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.33%
- Percentil entre todas las CVEs puntuadas: 83
- 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-434
- CWE-434
Referencias
- https://blog.nintechnet.com/arbitrary-file-upload-vulnerability-in-wordpress-user-submitted-posts-plugin/
- https://wordpress.org/plugins/user-submitted-posts/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5a97877b-fb4d-4e87-bcff-56be65fee6ce?source=cve
- https://blog.nintechnet.com/arbitrary-file-upload-vulnerability-in-wordpress-user-submitted-posts-plugin/
- https://wordpress.org/plugins/user-submitted-posts/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5a97877b-fb4d-4e87-bcff-56be65fee6ce?source=cve
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-25138",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2019-25138",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-12-26T17:40:58.043789Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@wordfence.com",
"affectedData": [
{
"vendor": "specialk",
"product": "User Submitted Posts – Enable Users to Submit Posts from the Front End",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "20190426",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2023-06-07T02:15:09.963",
"references": [
{
"url": "https://blog.nintechnet.com/arbitrary-file-upload-vulnerability-in-wordpress-user-submitted-posts-plugin/",
"tags": [
"Exploit"
],
"source": "security@wordfence.com"
},
{
"url": "https://wordpress.org/plugins/user-submitted-posts/#developers",
"tags": [
"Product",
"Release Notes"
],
"source": "security@wordfence.com"
},
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5a97877b-fb4d-4e87-bcff-56be65fee6ce?source=cve",
"tags": [
"Broken Link",
"Third Party Advisory"
],
"source": "security@wordfence.com"
},
{
"url": "https://blog.nintechnet.com/arbitrary-file-upload-vulnerability-in-wordpress-user-submitted-posts-plugin/",
"tags": [
"Exploit"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://wordpress.org/plugins/user-submitted-posts/#developers",
"tags": [
"Product",
"Release Notes"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5a97877b-fb4d-4e87-bcff-56be65fee6ce?source=cve",
"tags": [
"Broken Link",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
},
{
"type": "Secondary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The User Submitted Posts plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the usp_check_images function in versions up to, and including, 20190312. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible."
}
],
"lastModified": "2026-06-17T02:31:40.693",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:plugin-planet:user_submitted_posts:*:*:*:*:*:wordpress:*:*",
"vulnerable": true,
"matchCriteriaId": "1C47A838-ACA6-4C2F-A2B4-EBB78BC8AC0E",
"versionEndIncluding": "20190312"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@wordfence.com"
}