CVE-2024-49611 in Product Website Showcase Plugin
Summary
by MITRE • 10/20/2024
Unrestricted Upload of File with Dangerous Type vulnerability in paxmanpwnz Product Website Showcase product-websites-showcase allows Upload a Web Shell to a Web Server.This issue affects Product Website Showcase: from n/a through <= 1.0.
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Analysis
by VulDB Data Team • 04/06/2026
The vulnerability CVE-2024-49611 represents a critical security flaw in the Product Website Showcase plugin version 1.0 and earlier, classified as an unrestricted file upload vulnerability with dangerous file type handling. This issue stems from inadequate input validation and sanitization mechanisms within the file upload functionality, allowing malicious actors to bypass security controls and upload potentially harmful files to the target web server. The vulnerability specifically affects the paxmanpwnz Product Website Showcase product, which is designed to showcase websites but inadvertently creates an attack surface for remote code execution through web shell uploads.
The technical exploitation of this vulnerability occurs when an attacker uploads a malicious file with a dangerous file extension that is not properly filtered or restricted by the application's upload validation logic. This typically involves uploading web shells with extensions such as .php, .asp, or .jsp that can execute arbitrary code on the server. The vulnerability exists due to insufficient content type validation, file extension filtering, and lack of proper file format checking mechanisms. According to CWE-434, this maps directly to unrestricted file upload vulnerabilities where the application accepts files without adequate security checks. The flaw allows attackers to upload files that can be executed on the web server, potentially leading to complete system compromise.
The operational impact of this vulnerability is severe and far-reaching for any organization using the affected plugin. An attacker who successfully exploits this vulnerability can gain remote code execution capabilities on the target web server, enabling them to establish persistent access, escalate privileges, and potentially compromise the entire web infrastructure. The uploaded web shell can be used to execute commands, exfiltrate sensitive data, establish backdoors, or launch further attacks against internal network resources. This vulnerability directly aligns with ATT&CK technique T1190 for Exploit Public-Facing Application and T1059 for Command and Scripting Interpreter, as it allows for remote code execution through web-based attack vectors. Organizations may face data breaches, service disruption, and potential regulatory compliance violations depending on the nature of data hosted on the compromised server.
Mitigation strategies for this vulnerability should include immediate implementation of proper file upload restrictions and validation mechanisms. Organizations must ensure that all file uploads are subject to strict content type validation, file extension filtering, and size limitations. The plugin should be updated to the latest version where this vulnerability has been addressed, or the affected functionality should be disabled until proper security measures are implemented. Security controls should include mandatory file type validation, sanitization of uploaded filenames, and storage of uploaded files outside the web root directory. Additionally, implementing web application firewalls, regular security scanning, and monitoring for suspicious file upload activities can help detect and prevent exploitation attempts. Organizations should also consider implementing principle of least privilege access controls and regular security audits to minimize the potential impact of such vulnerabilities. The remediation process must include thorough testing of the updated security controls to ensure they do not negatively impact legitimate functionality while effectively blocking malicious file uploads.