CVE-2025-12539
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-11

Last updated on: 2025-11-12

Assigner: Wordfence

Description
The TNC Toolbox: Web Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.4.2. This is due to the plugin storing cPanel API credentials (hostname, username, and API key) in files within the web-accessible wp-content directory without adequate protection in the "Tnc_Wp_Toolbox_Settings::save_settings" function. This makes it possible for unauthenticated attackers to retrieve these credentials and use them to interact with the cPanel API, which can lead to arbitrary file uploads, remote code execution, and full compromise of the hosting environment.
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Meta Information
Published
2025-11-11
Last Modified
2025-11-12
Generated
2026-05-07
AI Q&A
2025-11-11
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
the-network-crew tnc_toolbox 1.4.2
the-network-crew tnc_toolbox 2.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-922 The product stores sensitive information without properly limiting read or write access by unauthorized actors.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

The vulnerability in the TNC Toolbox: Web Performance plugin for WordPress allows unauthenticated attackers to access sensitive cPanel API credentials (hostname, username, and API key) because these credentials are stored in web-accessible files without adequate protection. This exposure enables attackers to retrieve these credentials and potentially interact with the cPanel API, leading to arbitrary file uploads, remote code execution, and full compromise of the hosting environment.


How can this vulnerability impact me? :

This vulnerability can lead to severe impacts including unauthorized access to your hosting environment. Attackers can use the exposed cPanel API credentials to upload arbitrary files, execute remote code, and fully compromise your hosting environment, which can result in data loss, service disruption, and unauthorized control over your website and server.


How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

This vulnerability can negatively affect compliance with standards like GDPR and HIPAA because it exposes sensitive credentials that could lead to unauthorized access and data breaches. Such breaches may result in the exposure of personal or protected health information, violating data protection requirements and potentially leading to legal and regulatory consequences.


How can this vulnerability be detected on my network or system? Can you suggest some commands?

You can detect this vulnerability by checking if your WordPress installation uses the TNC Toolbox: Web Performance plugin version 1.4.2 or earlier. Specifically, look for files within the wp-content directory that store cPanel API credentials in plaintext. A practical approach is to search for files containing sensitive keywords such as 'cpanel', 'api_key', 'username', or 'hostname' within the wp-content directory. For example, you can run the following command on your server to find files containing 'api_key': find wp-content/ -type f -exec grep -l 'api_key' {} + Additionally, you can check the plugin version via WP-CLI: wp plugin get tnc-toolbox --field=version If the version is 1.4.2 or below, your system is vulnerable.


What immediate steps should I take to mitigate this vulnerability?

The immediate mitigation step is to update the TNC Toolbox plugin to version 2.0.0 or later, which addresses this vulnerability by migrating sensitive configuration data from insecure files to the WordPress database and securely deleting old configuration files. This update significantly improves security by preventing exposure of cPanel API credentials. Additionally, after updating, verify that no residual configuration files containing sensitive data remain in the wp-content directory. Using WP-CLI for plugin installation and management is recommended as per the update notes. [2]


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