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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Companion Auto Update plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018update_delay_days\u2019 parameter in all versions up to, and including, 3.9.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled."}, {"lang": "es", "value": "El complemento Companion Auto Update para WordPress es vulnerable a Cross-Site Scripting almacenado a trav\u00e9s del par\u00e1metro \u00abupdate_delay_days\u00bb en todas las versiones hasta la 3.9.2 incluida, debido a una depuraci\u00f3n de entrada y un escape de salida insuficientes. Esto permite a atacantes autenticados, con acceso de administrador, inyectar scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n al acceder un usuario a una p\u00e1gina inyectada. Esto solo afecta a instalaciones multisitio y a instalaciones donde se ha deshabilitado \u00abunfiltered_html\u00bb."}], "id": "CVE-2025-4369", "lastModified": "2025-07-15T13:14:24.053", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2025-07-15T10:15:22.957", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/companion-auto-update/tags/3.9.2/admin/dashboard.php#L71"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3325878/"}, {"source": "security@wordfence.com", "url": "https://wordpress.org/plugins/companion-auto-update/#developers"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b4c61072-5480-43f3-ad9f-ed3f0d577ebc?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

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