CVE-2023-4386

{"id": "CVE-2023-4386", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}, {"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2023-10-20T08:15:12.340", "references": [{"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/includes/API/PostBlock.php?rev=2950425#L30", "tags": ["Product"], "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/af468f83-d6ad-474c-bf7f-c4eeb6df1b54?source=cve", "tags": ["Third Party Advisory"], "source": "security@wordfence.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "The Essential Blocks plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 4.2.0 via deserialization of untrusted input in the get_posts function. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code."}, {"lang": "es", "value": "El complemento Essential Blocks para WordPress es vulnerable a la inyecci\u00f3n de objetos PHP en versiones hasta la 4.2.0 incluida a trav\u00e9s de la deserializaci\u00f3n de entradas que no son de confianza en la funci\u00f3n get_posts. Esto permite a atacantes no autenticados inyectar un objeto PHP. No hay ninguna cadena POP presente en el complemento vulnerable. Si hay una cadena POP presente a trav\u00e9s de un complemento o tema adicional instalado en el sistema de destino, podr\u00eda permitir al atacante eliminar archivos arbitrarios, recuperar datos confidenciales o ejecutar c\u00f3digo."}], "lastModified": "2023-11-07T04:22:30.050", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wpdeveloper:essential_blocks:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "matchCriteriaId": "C5FAC734-09BC-4D92-BD13-485E799B312C", "versionEndIncluding": "4.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@wordfence.com"}