Eventin <= 4.0.34 - Authenticated (Contributor+) Privilege Escalation via User Email Change/Account Takeover

8.8
Authorization Bypass Through User-Controlled Key
CVE CVE-2025-4796
CVSS 8.8 (High)
Publicly Published August 8, 2025
Last Updated August 8, 2025
Researcher István Márton - Wordfence

Description

The Eventin plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 4.0.34. This is due to the plugin not properly validating a user's identity or capability prior to updating their details like email in the 'Eventin\Speaker\Api\SpeakerController::update_item' function. This makes it possible for unauthenticated attackers with contributor-level and above permissions to change arbitrary user's email addresses, including administrators, and leverage that to reset the user's password and gain access to their account.

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Vulnerability Details for Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered)

Software Type Plugin
Software Slug wp-event-solution (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.0.35, or a newer patched version
Affected Version
  • <= 4.0.34
Patched Version
  • 4.0.35

Recent vulnerabilities in Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered)

# Title CVE ID CVSS Researchers Date
1 Eventin <= 4.1.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'etn_faq_content' Parameter CVE-2026-12924 6.4 PRISM July 9, 2026
2 Eventin 4.0.26 - 4.1.15 - Missing Authorization to Unauthenticated Payment Bypass via REST API CVE-2026-13039 5.3 Niv Kochan July 9, 2026
3 Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) <= 4.1.12 - Missing Authorization CVE-2025-68045 5.3 l3m3s June 15, 2026
4 Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) <= 4.1.8 - Missing Authorization CVE-2026-40776 5.3 Lorenzo Fradeani April 29, 2026
5 Eventin – Events Calendar, Event Booking, Ticket & Registration (AI Powered) <= 4.1.8 Missing Authorization to Authenticated (Subscriber+) Order Information Exposure CVE-2026-4109 4.3 Supakiad S. (m3ez) April 13, 2026
6 Eventin <= 4.1.3 - Authenticated (Contributor+) PHP Object Injection CVE-2025-68047 7.5 w41bu1 January 22, 2026
7 Eventin – Event Manager, Event Booking, Calendar, Tickets and Registration Plugin (AI Powered) <= 4.0.51 - Missing Authorization to Unauthenticated Stored Cross-Site Scripting via 'post_settings' CVE-2025-14657 7.2 Sarawut Poolkhet (MisterHelloz) January 8, 2026
8 Event Manager, Events Calendar, Booking, Registrations and Tickets – Eventin <= 4.0.37 - Unauthenticated Server-Side Request Forgery CVE-2025-7813 7.2 Gai Tanaka (63n0) August 22, 2025
9 Eventin <= 4.0.31 - Authenticated (Contributor+) PHP Object Injection CVE-2025-49869 7.5 Nguyen Ngoc Quang Bach (maysbachs) August 13, 2025
10 Eventin <= 4.0.28 - Reflected Cross-Site Scripting CVE-2025-49321 6.1 Nguyen Ngoc Quang Bach (maysbachs) June 23, 2025

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