CVE-2026-17089

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Events Manager \u2013 Calendar, Bookings, Tickets, and more!", "vendor": "netweblogic", "versions": [{"lessThanOrEqual": "7.4.0.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Events Manager \u2013 Calendar, Bookings, Tickets, and more! plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'header_format' parameter in all versions up to, and including, 7.4.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The shortcode entry point sanitizes 'header_format' via wp_kses(), but the unauthenticated 'search_events_grouped' AJAX action bypasses this sanitization entirely, leaving the parameter unsanitized before it is echoed into the HTML body in output_grouped()."}, {"lang": "es", "value": "El plugin Events Manager - Calendar, Bookings, Tickets, y more! para WordPress es vulnerable a cross-site scripting reflejado a trav\u00e9s del par\u00e1metro 'header_format' en todas las versiones hasta la 7.4.0.1, inclusive, debido a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes. Esto hace posible que atacantes no autenticados inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutan si logran enga\u00f1ar a un usuario para que realice una acci\u00f3n, como hacer clic en un enlace. El punto de entrada del shortcode sanitiza 'header_format' a trav\u00e9s de wp_kses(), pero la acci\u00f3n AJAX no autenticada 'search_events_grouped' omite esta sanitizaci\u00f3n por completo, dejando el par\u00e1metro sin sanitizar antes de que se imprima en el cuerpo HTML en output_grouped()."}], "id": "CVE-2026-17089", "lastModified": "2026-10-12T15:10:00.207", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-17089", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-25T12:12:38.035930Z", "version": "2.0.3"}}]}, "published": "2026-08-25T04:18:02.470", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/classes/em-events.php#L469"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/classes/em-object.php#L1176"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/em-actions.php#L891"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/em-actions.php#L920"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/classes/em-events.php#L469"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/classes/em-object.php#L1176"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/em-actions.php#L891"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/em-actions.php#L920"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?old_path=/events-manager/tags/7.4.0.1&new_path=/events-manager/tags/7.4.1"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a56d1a9e-7564-41b0-af03-c272ffbbbb97?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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