CVE-2026-56013 in License Manager for WooCommerce Plugin
Summary
by MITRE • 06/25/2026
Unauthenticated Insecure Direct Object References (IDOR) in License Manager for WooCommerce <= 3.0.15 versions.
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Analysis
by VulDB Data Team • 06/25/2026
The vulnerability involves an insecure direct object reference flaw in the License Manager plugin for WooCommerce, affecting versions up to and including 3.0.15. This represents a critical authorization bypass issue where attackers can access sensitive data without proper authentication. The flaw stems from improper validation of user permissions when processing license-related requests, allowing unauthorized parties to manipulate object references directly through URL parameters or API calls.
This vulnerability falls under CWE-284 which specifically addresses insufficient access control mechanisms in software applications. The technical implementation fails to verify whether the requesting entity has appropriate authorization levels before granting access to license information, product data, or user-specific details. Attackers can exploit this by simply modifying URLs or request parameters to access resources they should not be permitted to view.
The operational impact of this vulnerability is significant as it enables unauthorized access to commercial licensing information, potentially exposing sensitive business data including customer license keys, product activation details, and administrative configurations. An attacker could leverage this weakness to obtain valid license information for competing products, perform license key enumeration attacks, or gain insights into the target organization's software inventory and licensing strategy.
From an attack framework perspective, this vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and credential access. The threat actor can effectively bypass authentication mechanisms without requiring legitimate credentials, making detection more challenging. The exploitation requires minimal technical expertise and can be automated through simple parameter manipulation techniques.
Mitigation strategies should include immediate patching to versions 3.0.16 or later where the vulnerability has been addressed through proper input validation and access control implementation. Administrators should also implement additional monitoring of license-related API endpoints and consider rate limiting for suspicious requests. Network segmentation and web application firewalls can provide additional defense layers while input sanitization and proper authorization checks should be enforced throughout the application's codebase to prevent similar issues in other modules.