CVE-2026-57405 in Open Shop Plugin
Summary
by MITRE • 07/13/2026
Missing Authorization vulnerability in themehunk Open Shop open-shop allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Open Shop: from n/a through <= 1.7.1.
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Analysis
by VulDB Data Team • 07/13/2026
This vulnerability represents a critical missing authorization flaw within the themehunk Open Shop plugin that enables unauthorized access to administrative functions through improperly configured access control security levels. The issue manifests as an insufficient validation mechanism that fails to properly verify user permissions before granting access to sensitive administrative features, allowing attackers to exploit this weakness and gain elevated privileges without proper authentication.
The technical implementation of this vulnerability stems from inadequate input validation and access control checks within the plugin's codebase. When users interact with administrative functions or specific endpoints, the system does not perform adequate authorization verification to ensure that only authenticated administrators can access these features. This misconfiguration creates a pathway for attackers to bypass standard security controls through manipulation of request parameters or direct access attempts to protected resources.
From an operational impact perspective, this vulnerability exposes the entire plugin to potential exploitation by malicious actors who can leverage the missing authorization checks to perform unauthorized actions within the WordPress environment. Attackers could potentially modify store configurations, manage products, edit user accounts, or execute other administrative functions that should be restricted to authorized personnel only. The vulnerability affects all versions up to and including 1.7.1, indicating a prolonged exposure window where users remain susceptible to exploitation.
The flaw aligns with CWE-285, which specifically addresses improper authorization scenarios in software systems, and maps directly to ATT&CK technique T1078.004 for valid accounts, as attackers can exploit this vulnerability to assume administrative privileges without proper authentication. This misconfiguration essentially creates a backdoor access point that bypasses normal authentication mechanisms, making it particularly dangerous for e-commerce environments where sensitive transactional data and customer information are handled.
Security mitigation strategies should include immediate patching of the plugin to version 1.7.2 or later, which addresses the authorization flaw through proper access control implementation. Administrators should also review and tighten WordPress user role permissions, implement additional security layers such as web application firewalls, and conduct comprehensive access control audits. Regular security scanning of installed plugins and themes becomes essential to identify similar misconfigurations that could expose the system to privilege escalation attacks.
The vulnerability demonstrates how seemingly minor access control oversights can result in significant security breaches within content management systems, particularly in e-commerce platforms where unauthorized access can lead to financial loss, data compromise, and reputational damage. Organizations should implement regular security assessments of their WordPress installations to identify and remediate similar authorization flaws that could be exploited by threat actors targeting web applications.