Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.20 - Unauthenticated User Account Creation

Wordfence Intelligence   >   Vulnerability Database   >   Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.20 - Unauthenticated User Account Creation
5.3
Missing Authorization
CVE CVE-2026-13171
CVSS 5.3 (Medium)
Publicly Published August 10, 2026
Last Updated August 13, 2026
Researcher Sanjorn Keeratirungsan

Description

The Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce plugin for WordPress is vulnerable to user account creation in all versions up to 4.1.20 (exclusive).This makes it possible for unauthenticated attackers to create user accounts when user registration is disabled.

References

Share

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

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 4.1.20, or a newer patched version
Affected Version
  • < 4.1.20
Patched Version
  • 4.1.20

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

Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce <= 4.1.23 - Authenticated (Subscriber+) Privilege Escalation via map_meta_cap Filter
7.5
CVE-2026-75983
Sep 14, 2026
Researcher: Wordfence PRISM
Eventin <= 4.1.23 - Authenticated (Custom+) Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter
6.4
CVE-2026-15402
Sep 14, 2026
Researcher: Wordfence PRISM
Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) <= 4.1.22 - Authenticated (Subscriber+) Missing Authorization to Order Completion / Free Ticket Redemption
4.3
CVE-2026-15398
Sep 8, 2026
Researcher: Wordfence PRISM
Eventin <= 4.1.17 - Missing Authorization to Authenticated (Subscriber+) Notification Flow Management via notification-flow REST API Endpoint
5.4
CVE-2026-11821
Sep 8, 2026
Researcher: Sushi Com Abacate
Eventin <= 4.1.22 - Authenticated (Contirbutor+) Local File Inclusion via 'event_layout' Parameter
7.5
CVE-2026-15667
Sep 8, 2026
Researcher: Wordfence PRISM
Eventin <= 4.1.22 - Authenticated (Custom+) Local File Inclusion via 'event_layout' Parameter
7.5
CVE-2026-15406
Sep 8, 2026
Researcher: Wordfence PRISM
Eventin <= 4.1.22 - Missing Authorization to Unauthenticated Arbitrary Order Creation and Status Manipulation via 'status' Parameter
5.3
CVE-2026-12956
Sep 8, 2026
Researcher: Wordfence PRISM
Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.21 - Authenticated (Contributor+) Path Traversal
6.5
CVE-2026-84898
Sep 5, 2026
Researcher: Sai Praneeth Koti
Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.22 - Missing Authorization
4.3
CVE-2026-84901
Sep 5, 2026
Researcher: Sai Praneeth Koti
Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce <= 4.1.22 - Missing Authorization
5.3
CVE-2026-82223
Sep 1, 2026
Researcher: 20kilograma
# Title CVE ID CVSS Researchers Date
1 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce <= 4.1.23 - Authenticated (Subscriber+) Privilege Escalation via map_meta_cap Filter CVE-2026-75983 7.5 Wordfence PRISM September 14, 2026
2 Eventin <= 4.1.23 - Authenticated (Custom+) Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter CVE-2026-15402 6.4 Wordfence PRISM September 14, 2026
3 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
4 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
5 Eventin <= 4.1.22 - Authenticated (Contirbutor+) Local File Inclusion via 'event_layout' Parameter CVE-2026-15667 7.5 Wordfence PRISM September 8, 2026
6 Eventin <= 4.1.22 - Authenticated (Custom+) Local File Inclusion via 'event_layout' Parameter CVE-2026-15406 7.5 Wordfence PRISM September 8, 2026
7 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
8 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
9 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce < 4.1.22 - Missing Authorization CVE-2026-84901 4.3 Sai Praneeth Koti September 5, 2026
10 Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce <= 4.1.22 - Missing Authorization CVE-2026-82223 5.3 20kilograma September 1, 2026
View more vulnerabilities in this software package View more vulnerabilities

This record contains material that is subject to copyright.

Copyright 2012-2026 Defiant Inc.

License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. Read more.

Copyright 1999-2026 The MITRE Corporation

License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more.

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation