CVE-2026-17089mediumCWE-79

CVE-2026-17089: fallo de gravedad media en netweblogic Events Manager – Calendar…

Events Manager <= 7.4.0.1 - Reflected Cross-Site Scripting via 'header_format' Parameter

Publicada el

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33Vexday Risk Score

Sin señal de explotación. Ella tiene prueba de concepto pública.

ssvc Attendcvss 6.1epss 0.5%
de la publicación al arma28 días
Publicada en NVD25 ago
1ª PoC+28d
The Events Manager – 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().
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Productos afectados
netweblogic · Events Manager – Calendar, Bookings, Tickets, and more!
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