CVE-2022-45377 in Drag and Drop Multiple File Upload for WooCommerce Plugin
Summary
by MITRE • 12/21/2023
Unrestricted Upload of File with Dangerous Type vulnerability in Glen Don L. Mongaya Drag and Drop Multiple File Upload for WooCommerce.This issue affects Drag and Drop Multiple File Upload for WooCommerce: from n/a through 1.0.8.
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Analysis
by VulDB Data Team • 06/06/2026
The vulnerability in question represents a critical security flaw within the Drag and Drop Multiple File Upload for WooCommerce plugin developed by Glen Don L. Mongaya. This unrestricted file upload vulnerability allows malicious actors to bypass normal file validation mechanisms and upload potentially harmful files to the target system. The affected version range spans from any initial release through version 1.0.8, indicating this weakness has persisted for an extended period within the plugin's lifecycle. The vulnerability stems from inadequate input validation and sanitization processes that fail to properly restrict file types during the upload process, creating an attack surface where arbitrary code execution becomes possible.
The technical implementation of this flaw involves the plugin's failure to enforce strict file type validation checks before accepting uploaded files. When users attempt to upload files through the drag and drop interface, the system does not adequately verify the file extensions, MIME types, or content signatures against a whitelist of acceptable formats. This absence of proper validation allows attackers to upload files with dangerous extensions such as .php, .jsp, .asp, or other server-side script formats that can execute code on the web server. The vulnerability directly maps to CWE-434 which specifically addresses insecure file upload vulnerabilities where applications accept files without proper validation, and aligns with ATT&CK technique T1190 which covers exploiting vulnerabilities in web applications to upload malicious files.
The operational impact of this vulnerability extends beyond simple data compromise to potentially enable complete system takeover. An attacker who successfully exploits this flaw can upload a web shell or other malicious scripts that provide persistent access to the compromised system. This allows for unauthorized data exfiltration, privilege escalation, and the establishment of backdoors for future access. The vulnerability is particularly dangerous in e-commerce environments where the plugin is used, as it can lead to the compromise of customer data, payment information, and business-critical resources. The attack surface is further expanded when considering that many WooCommerce installations run on shared hosting environments where a compromised plugin can affect the entire hosting infrastructure.
Mitigation strategies should focus on immediate remediation through plugin updates to versions that address the file upload validation issues. Organizations should implement comprehensive file validation mechanisms including strict extension filtering, MIME type verification, and content analysis to prevent dangerous file uploads. Network-level protections such as web application firewalls can provide additional layers of defense by monitoring and blocking suspicious upload attempts. Security configurations should enforce strict file permissions and limit the execution capabilities of uploaded files. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other plugins and system components. The implementation of principle of least privilege access controls and regular security monitoring can help detect and respond to exploitation attempts before they cause significant damage. Organizations should also consider implementing automated vulnerability scanning tools that can identify insecure file upload mechanisms across their web applications and plugins.