CVE-2026-113608
El bloque Configurable Reports para Moodle (moodle-block_configurablereports) anterior a la versión 5.3.1 contiene una vulnerabilidad de inyección SQL en report_sql::prepare_sql() a través del parámetro de solicitud filter_var de viewreport.php. Los usuarios con pocos privilegios a los que se permite ver informes que utilizan el marcador de posición %%FILTER_VAR%% pueden inyectar subconsultas o UNION SELECT para leer tablas arbitrarias de la base de datos, incluidos los hashes de las contraseñas de los usuarios.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 6
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Probabilidad de explotación (EPSS)
FIRST aún no ha puntuado esta CVE (habitual en CVEs muy recientes o rechazadas).
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 movement80 % - Impacto principal
T1005Data from Local Systemcollection85 %
El vector PR:L/UI:N dicta T1210; el texto indica lectura arbitraria de tablas de la base de datos, incluidos hashes de contraseñas, vía inyección SQL en filter_var, sin modificación de datos.
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-89
Referencias
Mostrar las 6 referencias
- https://github.com/jleyva/moodle-block_configurablereports/blob/5.2.0/reports/sql/report.class.php#L89-L95
- https://github.com/jleyva/moodle-block_configurablereports/blob/5.3.0/reports/sql/report.class.php#L108-L128
- https://github.com/jleyva/moodle-block_configurablereports/commit/1a9fea4b98b093912c6432ea3705c7b1eff4efc0
- https://github.com/jleyva/moodle-block_configurablereports/commit/8696899740577559efa274b7a40f3bb4f2b30f32
- https://github.com/jleyva/moodle-block_configurablereports/releases/tag/5.3.1
- https://www.vulncheck.com/advisories/configurable-reports-block-for-moodle-before-5.3.1-sql-injection-via-filter-var
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-113608",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 1.6
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 6,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "disclosure@vulncheck.com",
"affectedData": [
{
"repo": "https://github.com/jleyva/moodle-block_configurablereports",
"vendor": "jleyva",
"product": "moodle-block_configurablereports",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "5.3.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-20T16:17:11.177",
"references": [
{
"url": "https://github.com/jleyva/moodle-block_configurablereports/blob/5.2.0/reports/sql/report.class.php#L89-L95",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/jleyva/moodle-block_configurablereports/blob/5.3.0/reports/sql/report.class.php#L108-L128",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/jleyva/moodle-block_configurablereports/commit/1a9fea4b98b093912c6432ea3705c7b1eff4efc0",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/jleyva/moodle-block_configurablereports/commit/8696899740577559efa274b7a40f3bb4f2b30f32",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/jleyva/moodle-block_configurablereports/releases/tag/5.3.1",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/configurable-reports-block-for-moodle-before-5.3.1-sql-injection-via-filter-var",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Received",
"weaknesses": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-89"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Configurable Reports block for Moodle (moodle-block_configurablereports) before 5.3.1 contains an sql injection vulnerability in report_sql::prepare_sql() via the filter_var request parameter of viewreport.php. Low-privileged users permitted to view reports using the %%FILTER_VAR%% placeholder can inject subqueries or UNION SELECT to read arbitrary database tables, including user password hashes."
}
],
"lastModified": "2026-10-20T16:17:11.177",
"sourceIdentifier": "disclosure@vulncheck.com"
}