CVE-2026-18365
Received Received - Intake

Unauthenticated User Disclosure in zPortals WordPress Plugin

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: WPScan

Description
The zportals WordPress plugin before 6.4.2 does not perform any capability or nonce check on one of its AJAX actions, allowing users with a subscriber-level account to disclose the display name and email address of every registered user, including administrators.

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-23
AI Q&A
2026-09-23
EPSS Evaluated
N/A
NVD
CVE-2026-18365
EUVD
EUVD-2026-85023

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
zportals zportals to 6.4.2 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability affects the zportals WordPress plugin before version 6.4.2. It allows users with a subscriber-level account or higher to access sensitive information through an AJAX action that lacks proper capability and nonce checks. Specifically, attackers can disclose the display names and email addresses of all registered users, including administrators.

Detection Guidance

Check the installed version of the zportals WordPress plugin. If it is below 6.4.2, the system is vulnerable. Use WordPress admin panel or run a command like 'wp plugin list' if using WP-CLI to verify the version.

Impact Analysis

If you are a user of the zportals WordPress plugin before version 6.4.2, an attacker with a subscriber account could exploit this to obtain the email addresses and display names of all users on your site, including administrators. This could lead to further targeted attacks like phishing or social engineering.

Compliance Impact

This vulnerability could lead to unauthorized disclosure of personal data, which may violate GDPR and HIPAA requirements for protecting user information. Organizations using the vulnerable plugin may face compliance violations, legal penalties, and reputational damage due to the exposure of sensitive user data.

Mitigation Strategies

Update the zportals plugin to version 6.4.2 or later immediately. If updating is not possible, consider disabling the plugin until an update is applied to prevent unauthorized data disclosure.

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