CVE-2026-107863 in Products Restricted Users for WooCommerce Plugin
Summary
by MITRE • 10/12/2026
Missing Authorization vulnerability in Codection Products Restricted Users for WooCommerce woo-products-restricted-users allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Products Restricted Users for WooCommerce: from n/a through 0.7.
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Analysis
by VulDB Data Team • 10/12/2026
The identified security flaw resides within the Codection Products Restricted Users for WooCommerce plugin, specifically affecting versions ranging from an unspecified initial release up to version 0.7. This vulnerability is classified as a missing authorization issue, which fundamentally represents a failure in implementing proper access control mechanisms on the server side. In web application architecture, authorization determines what actions an authenticated user is permitted to perform or what data they are allowed to access. When this mechanism is incorrectly configured or entirely absent for specific endpoints and functions within the plugin, it creates a scenario where security levels intended to restrict content based on user roles are bypassed. This type of flaw allows attackers who have valid credentials but lack elevated privileges to interact with administrative features or view restricted product information that should be hidden from them.
From a technical perspective, this vulnerability stems from an incorrect implementation of access control logic within the plugin's codebase. The application likely fails to verify whether the current user possesses the necessary permissions before processing requests related to restricted products or managing restriction rules. Consequently, any authenticated user with even minimal privileges, such as those assigned the subscriber role in a standard WordPress environment, can manipulate parameters to view content marked for specific audiences only, or potentially modify settings that control visibility restrictions. This bypass of security controls is not dependent on exploiting complex buffer overflows or injection techniques but rather relies on the application's failure to enforce policy decisions at runtime. The absence of robust server-side checks means that client-side protections are insufficient and easily circumvented by simply altering HTTP requests using standard web tools.
The operational impact of this vulnerability is significant for organizations relying on WooCommerce to manage e-commerce operations with tiered access or membership-based content strategies. Attackers can exploit this flaw to gain unauthorized visibility into premium products, pricing structures, or inventory details that are meant to be exclusive to higher-tier customers or administrators. This exposure compromises the confidentiality and integrity of business-critical data. Furthermore, if the plugin allows modification of restriction rules without proper authorization checks, an attacker could alter these settings to either expose all content publicly or lock out legitimate users, leading to service disruption and potential financial loss due to lost sales or reputational damage. The ability to manipulate access controls effectively undermines the core value proposition of using a restricted user plugin, rendering the security measures implemented by the site administrator ineffective against authenticated adversaries.
This vulnerability aligns with CWE-284, which describes Improper Access Control, and specifically relates to CWE-862, Missing Authorization, where an actor is able to access resources or perform actions without being explicitly authorized. In terms of offensive cybersecurity frameworks, this behavior maps directly to the MITRE ATT&CK technique T1078, Valid Accounts, as it involves leveraging legitimate credentials to escalate privileges or access restricted data through misconfigured permissions rather than breaking authentication entirely. It also touches upon T1530, Data from Cloud Storage Objects, if the restricted content includes downloadable files or sensitive documents hosted within the WordPress media library that are improperly protected by this plugin's logic.
To mitigate this risk, immediate action is required to update the Codection Products Restricted Users for WooCommerce plugin to a version later than 0.7 where these authorization checks have been corrected. Administrators should verify with the vendor that patches specifically address server-side validation of user roles before processing any requests related to product restrictions or settings modifications. In the interim, if an upgrade is not immediately feasible, implementing additional web application firewall rules can help detect and block anomalous patterns associated with unauthorized access attempts, although this is a compensatory control rather than a fix for the underlying code defect. Regular security audits of WordPress plugins are essential to ensure that third-party extensions do not introduce similar gaps in access control logic, particularly those handling sensitive e-commerce data or user-specific content restrictions.