CVE-2026-13177

Deferred Deferred - Pending Action

Eventin WordPress Plugin Information Disclosure Vulnerability

Publication date: 2026-08-12

Last updated on: 2026-08-26

Assigner: WPScan

Description

The Eventin WordPress plugin before 4.1.20 does not properly restrict access to individual order records, allowing users with contributor-level access and above to read other customers' order data including personal information by iterating order identifiers.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-12

Last Modified

2026-08-26

Generated

2026-09-01

AI Q&A

2026-08-12

EPSS Evaluated

2026-08-31

NVD

CVE-2026-13177

EUVD

EUVD-2026-57075

Affected Vendors & Products

Vendor	Product	Version / Range
eventin	eventin_wordpress_plugin	to 4.1.20 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-639	The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

Executive Summary

This vulnerability in the Eventin WordPress plugin before version 4.1.20 allows users with contributor-level access or higher to access other customers' order data, including personal information, by manipulating order identifiers. It is an Insecure Direct Object Reference (IDOR) flaw classified as a broken access control issue.

Detection Guidance

Check WordPress plugin versions for Eventin. If using version below 4.1.20, the system is vulnerable. Inspect server logs for unusual access patterns to order endpoints by contributors or higher roles.

Impact Analysis

If you are a user with contributor-level access or higher on a site using the vulnerable Eventin plugin, an attacker could exploit this to read other customers' order details, including personal data. If you are a site administrator, this could lead to data breaches and loss of customer trust.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA due to unauthorized access to personal and sensitive customer data. Organizations may face legal penalties, fines, and reputational damage if such breaches occur.

Mitigation Strategies

Update the Eventin WordPress plugin to version 4.1.20 or later immediately. Review and restrict contributor-level access to sensitive order data. Monitor for unauthorized access attempts to order records.

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