CVE-2026-4081

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "ZeM STL", "vendor": "jhdscript", "versions": [{"lessThanOrEqual": "1.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ZeM STL plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [zemstl] shortcode in all versions up to and including 1.0. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes, specifically the 'url', 'color', and 'bgcolor' parameters. These attribute values are directly interpolated into HTML attribute context without being passed through esc_attr() or any other escaping function. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El plugin ZeM STL para WordPress es vulnerable a cross-site scripting almacenado a trav\u00e9s del shortcode [zemstl] en todas las versiones hasta la 1.0 inclusive. Esto se debe a una sanitizaci\u00f3n de entrada y escape de salida insuficientes en los atributos del shortcode proporcionados por el usuario, espec\u00edficamente los par\u00e1metros 'url', 'color' y 'bgcolor'. Estos valores de atributo se interpolan directamente en el contexto de atributo HTML sin ser pasados por esc_attr() o cualquier otra funci\u00f3n de escape. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador y superior, inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada."}], "id": "CVE-2026-4081", "lastModified": "2026-07-22T19:10:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4081", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-02T10:38:25.568498Z", "version": "2.0.3"}}]}, "published": "2026-06-02T09:16:16.647", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/tags/1.0/zemstl.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/tags/1.0/zemstl.php#L104"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/tags/1.0/zemstl.php#L107"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/tags/1.0/zemstl.php#L74"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/trunk/zemstl.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/trunk/zemstl.php#L104"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/trunk/zemstl.php#L107"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/zem-stl-viewer/trunk/zemstl.php#L74"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/07e415f9-42f1-4c80-a023-38f460f634d3?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

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