CVE-2023-30871 in PT Woo Plugins Stock Exporter for WooCommerce Plugin
Summary
by MITRE • 08/16/2023
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in PT Woo Plugins (by Webdados) Stock Exporter for WooCommerce plugin <= 1.1.0 versions.
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Analysis
by VulDB Data Team • 09/10/2023
The CVE-2023-30871 vulnerability represents a critical unauthenticated reflected cross-site scripting flaw discovered in the PT Woo Plugins Stock Exporter for WooCommerce plugin version 1.1.0 and earlier. This vulnerability exists within a widely used WordPress plugin that facilitates stock management and export functionality for WooCommerce stores, making it a significant concern for e-commerce platforms that rely on this specific plugin for inventory operations. The vulnerability stems from insufficient input validation and output sanitization mechanisms within the plugin's codebase, specifically in how it processes and renders user-supplied parameters in HTTP response headers.
The technical implementation of this vulnerability occurs when the plugin fails to properly sanitize user input parameters that are reflected back to users in the HTTP response. Attackers can exploit this weakness by crafting malicious URLs containing crafted script payloads that get executed in the context of a victim's browser when they access the vulnerable page. This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting conditions where input data is not properly validated or escaped before being rendered in web pages. The reflected nature of the vulnerability means that the malicious script payload is reflected off the web server back to the victim's browser, making it particularly dangerous as it requires no persistent storage or complex attack vectors.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform session hijacking, deface websites, steal sensitive information, or redirect users to malicious domains. For WooCommerce store owners, this vulnerability poses a serious risk to their business operations since the plugin is designed for administrative functions and stock management, meaning that unauthorized attackers could potentially access sensitive inventory data or manipulate the plugin's functionality. The unauthenticated nature of the vulnerability means that attackers do not require valid credentials to exploit this weakness, making it particularly dangerous in environments where the plugin is accessible to all users. According to ATT&CK framework category T1531, this vulnerability could be leveraged for privilege escalation and persistence within the affected systems.
Mitigation strategies for CVE-2023-30871 should prioritize immediate patching of the affected plugin to version 1.1.1 or later, which contains the necessary security fixes. Administrators should also implement input validation measures at the web application firewall level and consider implementing Content Security Policy headers to limit the execution of unauthorized scripts. Additional defensive measures include monitoring for suspicious URL patterns and conducting regular security audits of installed plugins to identify other potential vulnerabilities. Organizations should also implement proper access controls and limit plugin functionality to authorized users only while maintaining up-to-date security monitoring systems to detect exploitation attempts. The vulnerability demonstrates the importance of maintaining current plugin versions and following secure coding practices that prevent reflected XSS attacks through proper input sanitization and output encoding mechanisms.