CVE-2026-77694
Received Received - Intake

Unauthenticated Order Completion in Eventin WordPress Plugin

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: WPScan

Description
The Eventin WordPress plugin before 4.1.19 does not properly restrict which changes a guest checkout token is allowed to authorise on an order, allowing unauthenticated users to mark their own unpaid order as completed and be issued a valid paid ticket with no payment taken.

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Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-08-26
AI Q&A
2026-08-26
EPSS Evaluated
N/A
NVD
CVE-2026-77694
EUVD
EUVD-2026-66284

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
eventin eventin_wordpress_plugin to 4.1.19 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This vulnerability in the Eventin WordPress plugin before version 4.1.19 allows unauthenticated users to exploit a guest checkout token to mark their own unpaid orders as completed. This results in the system issuing a valid paid ticket without any actual payment being made.

Impact Analysis

If you use the Eventin plugin, an attacker could create an order, mark it as paid without payment, and receive a ticket. This could lead to financial loss, event disruptions, or reputational damage if exploited on a large scale.

Mitigation Strategies

Update the Eventin WordPress plugin to version 4.1.19 or later to address the vulnerability.

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