TNC Toolbox: Web Performance: Dangerous file upload
TNC Toolbox: Web Performance is affected by dangerous file upload. The vulnerable path is reachable without authentication. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise.
- Component
- TNC Toolbox: Web Performance
- Plugin slug
tnc-toolbox-web-performance- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Nov 11, 2025
This CVE was published Nov 11, 2025 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update TNC Toolbox: Web Performance to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H