CVE-2025-64231 in WordPress Contact Form 7 PDF, Google Sheet & Database Plugin
Summary
by MITRE • 12/18/2025
Unrestricted Upload of File with Dangerous Type vulnerability in RedefiningTheWeb WordPress Contact Form 7 PDF, Google Sheet & Database rtwwcfp-wordpress-contact-form-7-pdf allows Using Malicious Files.This issue affects WordPress Contact Form 7 PDF, Google Sheet & Database: from n/a through <= 3.0.0.
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Analysis
by VulDB Data Team • 01/21/2026
The vulnerability CVE-2025-64231 represents a critical security flaw in the RedefiningTheWeb WordPress Contact Form 7 PDF, Google Sheet & Database plugin, specifically affecting versions up to and including 3.0.0. This issue falls under the category of unrestricted file upload vulnerabilities, which are particularly dangerous because they allow attackers to bypass normal file validation mechanisms and upload malicious content to the target system. The vulnerability enables unauthorized users to upload files with dangerous types that could compromise the entire WordPress installation and potentially the underlying server infrastructure.
The technical flaw stems from insufficient input validation and sanitization within the plugin's file upload functionality. When users submit forms through the contact form 7 integration, the system fails to properly validate the file extensions, MIME types, or file contents before storing them on the server. This lack of proper validation creates an attack surface where malicious actors can upload files such as php scripts, shell scripts, or other executable content that can be executed within the web server context. The vulnerability is particularly concerning because it operates without proper authorization checks, meaning even unauthenticated users can exploit this weakness to upload harmful files.
The operational impact of this vulnerability extends beyond simple data compromise, potentially leading to complete system takeover and persistent backdoor access. Attackers who successfully exploit this vulnerability can execute arbitrary code on the target server, potentially gaining full administrative control over the WordPress installation and all associated data. The implications include data theft, service disruption, and the possibility of using the compromised server as a launchpad for further attacks against other systems within the network. This vulnerability directly aligns with CWE-434, which specifically addresses the unrestricted upload of files with dangerous types, and represents a significant risk to organizations relying on WordPress for their web presence.
Organizations affected by this vulnerability should immediately implement multiple layers of defense to mitigate potential exploitation. The primary recommendation is to update the RedefiningTheWeb plugin to the latest version where this vulnerability has been patched. Additionally, implementing strict file type validation at multiple levels including web server configuration, application-level validation, and database-level filtering can provide additional protection. Network segmentation and proper access controls should be enforced to limit the potential damage from any successful exploitation. Security monitoring should include detection of unusual file upload patterns and suspicious file types that could indicate attempted exploitation of this vulnerability. The ATT&CK framework categorizes this as a file upload technique under T1195, emphasizing the need for comprehensive security controls to prevent unauthorized file execution and maintain system integrity.