CVE-2026-4020

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Gravity SMTP", "vendor": "RocketGenius", "versions": [{"lessThanOrEqual": "2.1.4", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Gravity SMTP plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.1.4. This is due to a REST API endpoint registered at /wp-json/gravitysmtp/v1/tests/mock-data with a permission_callback that unconditionally returns true, allowing any unauthenticated visitor to access it. When the ?page=gravitysmtp-settings query parameter is appended, the plugin's register_connector_data() method populates internal connector data, causing the endpoint to return approximately 365 KB of JSON containing the full System Report. This makes it possible for unauthenticated attackers to retrieve detailed system configuration data including PHP version, loaded extensions, web server version, document root path, database server type and version, WordPress version, all active plugins with versions, active theme, WordPress configuration details, database table names, and any API keys/tokens configured in the plugin."}, {"lang": "es", "value": "El plugin Gravity SMTP para WordPress es vulnerable a la Exposici\u00f3n de Informaci\u00f3n Sensible en todas las versiones hasta la 2.1.4, inclusive. Esto se debe a un endpoint de la API REST registrado en /wp-json/gravitysmtp/v1/tests/mock-data con un callback de permisos que devuelve true incondicionalmente, permitiendo que cualquier visitante no autenticado acceda a \u00e9l. Cuando se a\u00f1ade el par\u00e1metro de consulta ?page=gravitysmtp-settings, el m\u00e9todo register_connector_data() del plugin rellena los datos internos del conector, haciendo que el endpoint devuelva aproximadamente 365 KB de JSON que contiene el Informe Completo del Sistema. Esto hace posible que atacantes no autenticados recuperen datos detallados de configuraci\u00f3n del sistema, incluyendo la versi\u00f3n de PHP, extensiones cargadas, versi\u00f3n del servidor web, ruta de la ra\u00edz del documento, tipo y versi\u00f3n del servidor de base de datos, versi\u00f3n de WordPress, todos los plugins activos con sus versiones, tema activo, detalles de configuraci\u00f3n de WordPress, nombres de las tablas de la base de datos, y cualquier clave/token de API configurado en el plugin."}], "id": "CVE-2026-4020", "lastModified": "2026-06-17T10:55:52.033", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4020", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-02T14:14:15.535134Z", "version": "2.0.3"}}]}, "published": "2026-03-31T02:15:59.487", "references": [{"source": "security@wordfence.com", "url": "https://docs.gravitysmtp.com/gravity-smtp-changelog/"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gravitysmtp/tags/2.1.4/vendor/gravityforms/gravity-tools/src/Providers/class-config-collection-service-provider.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gravitysmtp/tags/2.1.4/vendor/gravityforms/gravity-tools/src/Providers/class-config-collection-service-provider.php#L86"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gravitysmtp/trunk/vendor/gravityforms/gravity-tools/src/Providers/class-config-collection-service-provider.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gravitysmtp/trunk/vendor/gravityforms/gravity-tools/src/Providers/class-config-collection-service-provider.php#L86"}, {"source": "security@wordfence.com", "url": "https://www.gravityforms.com/gravity-smtp/"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/12a296db-ecc0-409b-8718-0c208504053a?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "gravity_smtp", "vendor": "rocketgenius"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-03-31T19:56:35.059370+00:00", "updated": "2026-10-25T21:15:14.986349+00:00", "vendors": ["rocketgenius", "rocketgenius$PRODUCT$gravity_smtp", "wordpress", "wordpress$PRODUCT$wordpress"]}