CVE-2026-4077

<!-- Exploiting the 'id' parameter in the 'ecover' shortcode --> [ecover id='"><script>alert(document.cookie)</script>']

{"cve": {"id": "CVE-2026-4077", "sourceIdentifier": "[email protected]", "published": "2026-03-21T04:17:40.623", "lastModified": "2026-04-24T16:27:44.277", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Ecover Builder For Dummies plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the 'ecover' shortcode in all versions up to and including 1.0. This is due to insufficient input sanitization and output escaping on the user-supplied 'id' shortcode attribute. 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 Ecover Builder For Dummies para WordPress es vulnerable a cross-site scripting almacenado a través del parámetro 'id' del shortcode 'ecover' en todas las versiones hasta la 1.0 inclusive. Esto se debe a una sanitización de entrada insuficiente y un escape de salida inadecuado en el atributo 'id' del shortcode proporcionado por el usuario. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador o superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/ecover-builder-for-dummies/tags/1.0/plugin_builder.php#L39", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ecover-builder-for-dummies/tags/1.0/plugin_builder.php#L44", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ecover-builder-for-dummies/tags/1.0/plugin_builder.php#L58", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ecover-builder-for-dummies/trunk/plugin_builder.php#L39", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ecover-builder-for-dummies/trunk/plugin_builder.php#L44", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ecover-builder-for-dummies/trunk/plugin_builder.php#L58", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/230fbbd0-f6fb-4906-851a-a41b65cdd1c3?source=cve", "source": "[email protected]"}]}}