Description
The Event Manager, Events Calendar, Tickets, Registrations – Eventin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'payment_complete' function in all versions up to, and including, 4.0.24. This makes it possible for unauthenticated attackers to update the status of ticket payments to 'completed', possibly resulting in financial loss.
Published: 2025-03-20
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized Payment Status Update
Action: Update Plugin
AI Analysis

Impact

The Eventin WordPress plugin contains a missing capability check on the payment_complete function. As a result, unauthenticated attackers can change ticket payment status to 'completed' without authorization, creating opportunities for financial loss by approving payments that have not been legitimately processed.

Affected Systems

The vulnerability affects the Eventin event management plugin, versions 4.0.24 and earlier, used within WordPress installations.

Risk and Exploitability

The CVSS score of 5.3 indicates moderate severity, while the EPSS score of less than 1% suggests low exploitation probability at the time of analysis. The vulnerability is not listed in CISA KEV. Based on the description, it is inferred that attackers could directly request the payment_complete endpoint without authentication, allowing them to modify payment status.

Generated by OpenCVE AI on April 20, 2026 at 23:31 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply the latest Eventin plugin update (4.0.25 or newer).
  • If an update is not possible, remove or disable the payment_complete endpoint or restrict it to users with appropriate capabilities.
  • Implement a web application firewall rule to block unauthorized payment status update requests.

Generated by OpenCVE AI on April 20, 2026 at 23:31 UTC.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-6747 The Event Manager, Events Calendar, Tickets, Registrations – Eventin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'payment_complete' function in all versions up to, and including, 4.0.24. This makes it possible for unauthenticated attackers to update the status of ticket payments to 'completed', possibly resulting in financial loss.
History

Mon, 11 Aug 2025 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Themewinter
Themewinter eventin
CPEs cpe:2.3:a:themewinter:eventin:*:*:*:*:*:wordpress:*:*
Vendors & Products Themewinter
Themewinter eventin

Thu, 20 Mar 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 20 Mar 2025 05:30:00 +0000

Type Values Removed Values Added
Description The Event Manager, Events Calendar, Tickets, Registrations – Eventin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'payment_complete' function in all versions up to, and including, 4.0.24. This makes it possible for unauthenticated attackers to update the status of ticket payments to 'completed', possibly resulting in financial loss.
Title Event Manager, Events Calendar, Tickets, Registrations – Eventin <= 4.0.24 - Missing Authorization to Unauthenticated Payment Status Update
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Subscriptions

Themewinter Eventin
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-08T17:32:40.671Z

Reserved: 2025-02-27T19:26:34.096Z

Link: CVE-2025-1766

cve-icon Vulnrichment

Updated: 2025-03-20T15:10:50.372Z

cve-icon NVD

Status : Analyzed

Published: 2025-03-20T06:15:22.740

Modified: 2025-08-11T18:04:48.627

Link: CVE-2025-1766

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-20T23:45:21Z

Weaknesses