Missing Authorization in WP Custom Admin Interface Allows Unauthorized Access

Compliance Impact

CVE-2026-25011 is a broken access control vulnerability that allows unprivileged users to perform actions reserved for higher-privileged roles due to missing authorization checks.

Such unauthorized access could potentially lead to unauthorized data exposure or modification, which may impact compliance with standards and regulations like GDPR or HIPAA that require strict access controls to protect sensitive data.

However, the provided information does not explicitly describe the direct impact of this vulnerability on compliance with these regulations.

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Executive Summary

CVE-2026-25011 is a broken access control vulnerability in the WordPress WP Custom Admin Interface Plugin versions up to and including 7.41.

This issue arises from missing authorization, authentication, or nonce token checks in certain functions, allowing unprivileged users (such as subscribers or developers) to perform actions reserved for higher-privileged roles.

It is classified under the OWASP Top 10 category A1: Broken Access Control.

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Impact Analysis

The vulnerability allows users with low-level privileges (like subscribers) to perform actions that should be restricted to higher-privileged roles.

This can lead to unauthorized changes or access within the WordPress admin interface, potentially compromising the integrity and security of the website.

However, the CVSS severity score is 4.3, indicating a low severity with minimal impact and low likelihood of exploitation.

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Detection Guidance

[{'type': 'paragraph', 'content': 'This vulnerability arises from missing authorization, authentication, or nonce token checks in certain functions of the WP Custom Admin Interface plugin, allowing unprivileged users to perform restricted actions.'}, {'type': 'paragraph', 'content': 'Detection would involve checking the version of the WP Custom Admin Interface plugin installed on your WordPress site to see if it is version 7.41 or earlier, as these versions are vulnerable.'}, {'type': 'paragraph', 'content': 'You can detect the plugin version by running commands such as:'}, {'type': 'list_item', 'content': 'Using WP-CLI: wp plugin list --status=active'}, {'type': 'list_item', 'content': "Checking the plugin's readme or main PHP file for the version number, e.g., cat wp-content/plugins/wp-custom-admin-interface/wp-custom-admin-interface.php | grep 'Version'"}, {'type': 'paragraph', 'content': 'Additionally, monitoring for unauthorized actions performed by low-privileged users (subscribers or developers) that should require higher privileges may indicate exploitation attempts.'}] [1]

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Mitigation Strategies

[{'type': 'paragraph', 'content': 'The primary mitigation step is to update the WP Custom Admin Interface plugin to version 7.42 or later, where the vulnerability is fixed.'}, {'type': 'paragraph', 'content': "If immediate updating is not possible, consider restricting access to the plugin's administrative functions to trusted users only and monitoring user activities for suspicious behavior."}, {'type': 'paragraph', 'content': 'Patchstack also offers mitigation solutions including auto-updates for vulnerable plugins, which can be enabled to reduce risk.'}] [1]

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