CVE-2026-13158
The Everest Toolkit WordPress plugin through 1.2.3 does not validate the type of files uploaded during demo-content import (the WordPress file-type test is disabled), allowing high-privilege users (Administrator by default, including non-super-admin site administrators on multisite) to upload executable PHP files to the uploads directory.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.50%
- Percentil entre todas las CVEs puntuadas: 41
- Fecha de la puntuación: 5/10/2026
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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement45 % - Impacto principal
T1505.003Web Shellpersistence90 % - Impacto secundario
T1059Command and Scripting Interpreterexecution85 %
PR:H exige privilegios, pero T1210 se aplica a servicios remotos explotables; sin embargo, el texto describe carga de archivos por admin local sin validación de tipo (CWE-434), más cercano a abuso de función legítima que a explotación remota clásica. El impacto es web shell (T1505.003) via PHP subid
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-434
Referencias
JSON original (NVD)
Mostrar
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"role": "CISA Coordinator",
"options": [
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},
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],
"version": "2.0.3",
"timestamp": "2026-08-05T19:40:27.849739Z"
}
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"cvssMetricV31": [
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"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "contact@wpscan.com",
"affectedData": [
{
"vendor": "Unknown",
"product": "Everest Toolkit",
"versions": [
{
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"version": "0",
"versionType": "semver",
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"published": "2026-08-01T07:16:29.133",
"references": [
{
"url": "https://wpscan.com/vulnerability/f101071f-402a-40a2-bbdb-666512cd4049/",
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"lastModified": "2026-08-26T16:31:36.750",
"sourceIdentifier": "contact@wpscan.com"
}