CVE-2026-88844
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 2.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.30%
- Percentil entre todas las CVEs puntuadas: 21
- 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).
🎯 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 movement72 % - Impacto principal
T1005Data from Local Systemcollection75 % - Impacto secundario
T1552.007Container APIcredential access68 %
Acceso no autorizado a datos de estudiantes (nombres, emails) en servicio remoto (LMS) por falta de verificación de propiedad; requerido rol Instructor (PR:H) pero sin privilegios de sistema.
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-639
Referencias
JSON original (NVD)
Mostrar
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"cveTags": [],
"metrics": {
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"id": "CVE-2026-88844",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-09-18T11:01:27.204485Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
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"version": "3.1",
"baseScore": 2.7,
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"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "contact@wpscan.com",
"affectedData": [
{
"vendor": "Unknown",
"product": "MasterStudy LMS WordPress Plugin",
"versions": [
{
"status": "affected",
"version": "3.6.2",
"lessThan": "3.7.50",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
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],
"published": "2026-09-18T06:16:41.267",
"references": [
{
"url": "https://wpscan.com/vulnerability/13b4f5c4-db4a-4bc2-b092-07747ee790e6/",
"source": "contact@wpscan.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
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"description": [
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"descriptions": [
{
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"value": "The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses."
}
],
"lastModified": "2026-09-18T19:08:32.830",
"sourceIdentifier": "contact@wpscan.com"
}