Event SOlution <= 4.1.18 - Authenticated (Customer+) Information Exposure

4.3
Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2026-28174
CVSS 4.3 (Medium)
Publicly Published August 13, 2026
Last Updated August 15, 2026
Researcher VanTastic

Description

The Event SOlution plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.1.18. This makes it possible for authenticated attackers, with customer-level access and above, to extract sensitive user or configuration data.

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Vulnerability Details for Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce

Software Type Plugin
Software Slug wp-event-solution (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.1.19, or a newer patched version
Affected Version
  • <= 4.1.18
Patched Version
  • 4.1.19

Recent vulnerabilities in Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce

# Title CVE ID CVSS Researchers Date
1 Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) <= 4.1.22 - Authenticated (Subscriber+) Missing Authorization to Order Completion / Free Ticket Redemption CVE-2026-15398 4.3 Wordfence PRISM September 8, 2026
2 Eventin <= 4.1.17 - Missing Authorization to Authenticated (Subscriber+) Notification Flow Management via notification-flow REST API Endpoint CVE-2026-11821 5.4 Sushi Com Abacate September 8, 2026
3 Eventin <= 4.1.22 - Authenticated (Contirbutor+) Local File Inclusion via 'event_layout' Parameter CVE-2026-15667 7.5 Wordfence PRISM September 8, 2026
4 Eventin <= 4.1.22 - Authenticated (Custom+) Local File Inclusion via 'event_layout' Parameter CVE-2026-15406 7.5 Wordfence PRISM September 8, 2026
5 Eventin <= 4.1.22 - Missing Authorization to Unauthenticated Arbitrary Order Creation and Status Manipulation via 'status' Parameter CVE-2026-12956 5.3 Wordfence PRISM September 8, 2026
6 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.21 - Authenticated (Contributor+) Path Traversal CVE-2026-84898 6.5 Sai Praneeth Koti September 5, 2026
7 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.22 - Missing Authorization CVE-2026-84901 4.3 Sai Praneeth Koti September 5, 2026
8 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce <= 4.1.22 - Missing Authorization CVE-2026-82223 5.3 20kilograma September 1, 2026
9 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.22 - Unauthenticated Information Exposure CVE-2026-13172 5.3 Meher Sudhakar Abbireddi August 26, 2026
10 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.21 - Authenticated (Contributor+) Server-Side Request Forgery CVE-2026-13176 6.4 Yaswanth Reddy Sunkara August 24, 2026

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