CVE-2025-43838 in Custom PC Builder Lite for WooCommerce Plugin
Summary
by MITRE • 05/19/2025
Missing Authorization vulnerability in ChoPlugins Custom PC Builder Lite for WooCommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Custom PC Builder Lite for WooCommerce: from n/a through 1.0.1.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 05/19/2025
The Missing Authorization vulnerability in ChoPlugins Custom PC Builder Lite for WooCommerce represents a critical access control flaw that undermines the security posture of e-commerce platforms leveraging this plugin. This vulnerability stems from improperly configured access control mechanisms that fail to properly validate user permissions before granting access to sensitive functionality. The issue specifically affects versions ranging from the initial release through version 1.0.1, indicating a persistent flaw that has not been adequately addressed in the plugin's development lifecycle.
The technical implementation of this vulnerability manifests as an insufficient validation of user roles and capabilities within the plugin's codebase. When users interact with the custom PC builder functionality, the system fails to verify whether the requesting user possesses appropriate authorization levels to perform specific actions such as modifying product configurations, accessing administrative interfaces, or manipulating backend data structures. This misconfiguration allows unauthorized individuals to bypass normal access controls and potentially exploit the system's functionality in ways that should be restricted to administrators or authorized personnel only.
From an operational perspective, this vulnerability creates significant risks for WooCommerce store owners and their customers. Attackers who exploit this flaw can gain unauthorized access to product configuration data, manipulate build specifications, and potentially access sensitive customer information stored within the custom PC builder module. The impact extends beyond simple data exposure as malicious actors might be able to modify pricing structures, alter product availability, or even introduce security vulnerabilities that could compromise the entire WooCommerce installation. The vulnerability's persistence across multiple versions suggests that the plugin developers may have overlooked fundamental security principles during the development process.
The implications of this Missing Authorization vulnerability align with common weaknesses identified in the CWE (Common Weakness Enumeration) database under CWE-285, which addresses improper authorization issues in software systems. This weakness category specifically targets scenarios where applications fail to properly enforce access control policies, leading to unauthorized access to resources or functionality. The vulnerability also corresponds to ATT&CK technique T1078 which covers valid accounts and legitimate credentials for unauthorized access, as the flaw allows attackers to exploit legitimate user access paths without requiring additional credential compromise.
Mitigation strategies should focus on implementing proper authorization checks throughout the plugin's codebase, ensuring that all user interactions with the custom PC builder functionality are validated against appropriate role-based access controls. Security patches should enforce strict validation of user permissions before granting access to administrative features and sensitive data operations. Additionally, developers should implement comprehensive logging mechanisms to detect unauthorized access attempts and establish proper input validation to prevent privilege escalation attacks. Store owners should immediately update to patched versions if available, implement network-level restrictions, and conduct thorough security assessments of their WooCommerce installations to identify potential exploitation vectors.