CVE-2026-96896
The Malcure Malware Shield — Removal, Repair, Monitor WordPress plugin before 19.9.7 does not perform an authorisation check on one of its AJAX actions, allowing users with a subsite administrator role on a multisite network to write and delete arbitrary files in the network's shared filesystem, which can lead to remote code execution.
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: 0.39%
- Percentil entre todas las CVEs puntuadas: 31
- Fecha de la puntuación: 4/10/2026
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 movement75 % - Impacto principal
T1505.003Web Shellpersistence85 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access70 %
Plugin WordPress sin validación de autorización en acción AJAX permite a admin de subsitio escribir/eliminar archivos (T1505.003: web shell) y escalar privilegios en red multisitio (T1078.001: cuentas válidas). AV:N, PR:H, requiere acceso remoto autenticado como admin.
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-862
Referencias
JSON original (NVD)
Mostrar
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"role": "CISA Coordinator",
"options": [
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},
{
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{
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],
"version": "2.0.3",
"timestamp": "2026-09-28T00:37:26.538463Z"
}
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"cvssMetricV31": [
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"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.2
}
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"affected": [
{
"source": "contact@wpscan.com",
"affectedData": [
{
"vendor": "Unknown",
"product": "Malcure Malware Shield — Removal, Repair, Monitor",
"versions": [
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"version": "0",
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"versionType": "semver"
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"published": "2026-09-27T06:17:22.817",
"references": [
{
"url": "https://wpscan.com/vulnerability/7ab467f9-4340-464c-a436-978a5acbad3a/",
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"value": "The Malcure Malware Shield — Removal, Repair, Monitor WordPress plugin before 19.9.7 does not perform an authorisation check on one of its AJAX actions, allowing users with a subsite administrator role on a multisite network to write and delete arbitrary files in the network's shared filesystem, which can lead to remote code execution."
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"lastModified": "2026-09-28T15:17:39.543",
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