CVE-2026-32406 in WPC Product Bundles for WooCommerce Plugin
Summary
by MITRE • 03/13/2026
Missing Authorization vulnerability in WPClever WPC Product Bundles for WooCommerce woo-product-bundle allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WPC Product Bundles for WooCommerce: from n/a through <= 8.4.5.
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Analysis
by VulDB Data Team • 03/15/2026
The vulnerability identified as CVE-2026-32406 represents a critical missing authorization flaw within the WPClever WPC Product Bundles for WooCommerce plugin, specifically affecting versions through 8.4.5. This security weakness resides in the plugin's access control mechanisms, creating an environment where unauthorized users can exploit incorrectly configured security levels to gain inappropriate access to protected functionality. The vulnerability stems from insufficient validation of user permissions and roles when processing product bundle configurations, allowing attackers to manipulate access controls and potentially execute unauthorized operations within the WooCommerce administrative interface.
This missing authorization vulnerability operates at the application level and aligns with CWE-285, which addresses improper authorization within software systems. The flaw specifically manifests when the plugin fails to properly verify whether the requesting user possesses adequate privileges to perform certain administrative actions related to product bundling configurations. Attackers can exploit this weakness by crafting malicious requests that bypass normal access control checks, potentially enabling them to modify product bundle settings, create unauthorized bundles, or access restricted administrative functions without proper authentication. The vulnerability's impact is particularly concerning as it affects the core WooCommerce product management functionality, which forms the backbone of e-commerce operations for numerous businesses.
The operational implications of this vulnerability extend beyond simple unauthorized access, as it can lead to significant business disruption and potential data compromise. An attacker who successfully exploits this flaw could manipulate product pricing structures through bundled items, potentially leading to financial losses for merchants. Additionally, the vulnerability could enable attackers to modify product availability, create fraudulent bundles, or even inject malicious content into product descriptions. The attack surface is particularly wide given that WooCommerce is one of the most widely used e-commerce platforms, making this vulnerability attractive to threat actors seeking to exploit multiple sites simultaneously. The flaw also aligns with ATT&CK technique T1078 which covers valid accounts usage, as unauthorized access could occur through legitimate user accounts that are not properly restricted.
Mitigation strategies for this vulnerability should prioritize immediate plugin updates to version 8.4.6 or later, which contains the necessary security patches to address the authorization bypass. Administrators should also implement additional security measures including role-based access control enforcement, regular security audits of plugin configurations, and monitoring for unusual administrative activities. Network-level protections such as web application firewalls can help detect and block exploitation attempts, while regular security assessments should verify that all plugins maintain proper authorization controls. Organizations should also consider implementing the principle of least privilege, ensuring that administrative users have only the minimum permissions necessary to perform their required functions, thereby reducing the potential impact if any authorization bypass occurs. The vulnerability demonstrates the critical importance of proper access control implementation in e-commerce platforms where financial and customer data are at risk.