Medium severity6.4NVD Advisory· Published Sep 15, 2026
CVE-2026-15402
CVE-2026-15402
Description
The Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter in all versions up to, and including, 4.1.23 due to insufficient input sanitization and output escaping. 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.
Affected products
1Patches
Vulnerability mechanics
References
16- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/base/post-model.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/AccessControl/Permission.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/templates/event/schedule-list.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/functions.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/helper.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/base/post-model.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/AccessControl/Permission.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/templates/event/schedule-list.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/functions.phpnvd
- plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/helper.phpnvd
- plugins.trac.wordpress.org/changesetnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/a07070b6-37d2-4ccf-ae81-a08ac7b76241nvd
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