CVE-2026-15402

Vulnerability 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.

CVSS Score

Related Weaknesses (CWE)

References

• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/base/po
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/Ac
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/sc
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/sc
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/templat
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/f
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/h
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/base/po
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/Ac
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/sc
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/sc
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/templat
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/f
• https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/h
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3689867%40wp-event-so