CVE-2026-70376

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Pluck CMS", "programFiles": ["admin.php", "data/inc/functions.admin.php"], "vendor": "pluck-cms", "versions": [{"lessThanOrEqual": "4.7.21", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Pluck CMS's admin panel relies solely on a Referer-header comparison (requestedByTheSameDomain in data/inc/functions.admin.php, gating every admin.php action) for CSRF protection, with no per-request anti-CSRF token anywhere in the admin area."}, {"lang": "es", "value": "El panel de administraci\u00f3n de Pluck CMS se basa \u00fanicamente en una comparaci\u00f3n del encabezado Referer (requestedByTheSameDomain() en data/inc/functions.admin.php, que controla cada acci\u00f3n de admin.php) para la protecci\u00f3n CSRF, sin ning\u00fan token anti-CSRF por solicitud en ninguna parte del \u00e1rea de administraci\u00f3n. Cuando una solicitud no lleva informaci\u00f3n de Referer/Host, la rama elseif de la funci\u00f3n devuelve true, tratando la solicitud como del mismo origen. Debido a que una p\u00e1gina de atacante de sitio cruzado puede suprimir el encabezado Referer (por ejemplo, a trav\u00e9s de menor quemeta name=referrer content=no-referrermayor que), puede forzar al navegador de un administrador autenticado a enviar acciones de administraci\u00f3n falsificadas sin un Referer v\u00e1lido, incluyendo la creaci\u00f3n de p\u00e1ginas con HTML sin procesar (XSS almacenado a trav\u00e9s de la p\u00e1gina renderizada) e instalando m\u00f3dulos/temas PHP (ejecuci\u00f3n remota de c\u00f3digo)."}], "id": "CVE-2026-70376", "lastModified": "2026-10-24T16:10:00.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-70376", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-05T13:13:01.326327Z", "version": "2.0.3"}}]}, "published": "2026-08-05T08:16:41.703", "references": [{"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "url": "https://github.com/pluck-cms/pluck"}], "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "type": "Secondary"}]}

{}

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