CVE-2026-3300

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Everest Forms Pro", "vendor": "WPEverest", "versions": [{"lessThanOrEqual": "1.9.12", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Everest Forms Pro plugin for WordPress is vulnerable to Remote Code Execution via PHP Code Injection in all versions up to, and including, 1.9.12. This is due to the Calculation Addon's process_filter() function concatenating user-submitted form field values into a PHP code string without proper escaping before passing it to eval(). The sanitize_text_field() function applied to input does not escape single quotes or other PHP code context characters. This makes it possible for unauthenticated attackers to inject and execute arbitrary PHP code on the server by submitting a crafted value in any string-type form field (text, email, URL, select, radio) when a form uses the \"Complex Calculation\" feature."}, {"lang": "es", "value": "El plugin Everest Forms Pro para WordPress es vulnerable a ejecuci\u00f3n remota de c\u00f3digo a trav\u00e9s de inyecci\u00f3n de c\u00f3digo PHP en todas las versiones hasta la 1.9.12, inclusive. Esto se debe a que la funci\u00f3n process_filter() del complemento Calculation Addon concatena valores de campos de formulario enviados por el usuario en una cadena de c\u00f3digo PHP sin el escape adecuado antes de pasarlos a eval(). La funci\u00f3n sanitize_text_field() aplicada a la entrada no escapa comillas simples u otros caracteres de contexto de c\u00f3digo PHP. Esto hace posible que atacantes no autenticados inyecten y ejecuten c\u00f3digo PHP arbitrario en el servidor al enviar un valor manipulado en cualquier campo de formulario de tipo cadena (texto, correo electr\u00f3nico, URL, selecci\u00f3n, radio) cuando un formulario utiliza la caracter\u00edstica 'C\u00e1lculo Complejo'."}], "id": "CVE-2026-3300", "lastModified": "2026-06-17T10:43:22.287", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3300", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-31T13:59:02.964128Z", "version": "2.0.3"}}]}, "published": "2026-03-31T02:15:59.267", "references": [{"source": "security@wordfence.com", "url": "https://everestforms.net/changelog/"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.4.3/includes/class-evf-form-task.php#L584"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/389c0b89-e408-4ad5-9723-a16b745771f0?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

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