CVE-2026-81790 in Csomagpontok és szállítási címkék Plugin
Summary
by MITRE • 09/08/2026
Missing Authorization vulnerability in Viszt Péter Csomagpontok és szállítási címkék WooCommerce-hez allows Exploiting Incorrectly Configured Access Control Security Levels.
This issue affects Csomagpontok és szállítási címkék WooCommerce-hez: from n/a before 4.2.8.
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Analysis
by VulDB Data Team • 09/08/2026
The vulnerability identified in the Viszt Péter Csomagpontok és szállítési címkék plugin for WordPress represents a critical failure in access control mechanisms, specifically categorized under CWE-862 Missing Authorization and aligned with MITRE ATT&CK technique T1078 Valid Accounts. This security flaw allows attackers to exploit incorrectly configured access control levels by interacting directly with the application's endpoints without possessing valid administrative privileges or proper session tokens. The core technical issue stems from a lack of server-side verification for user roles when processing requests related to package points and shipping labels, which are typically restricted functionalities within the WooCommerce ecosystem.
In a properly secured WordPress environment, actions such as managing shipping configurations, generating labels, or accessing customer delivery data require elevated privileges associated with administrators or specific shop managers. However, due to this vulnerability, an unauthenticated attacker can bypass these restrictions by crafting HTTP requests that target internal API endpoints or AJAX handlers exposed by the plugin. Since the application fails to validate whether the requesting user has the necessary permissions before executing sensitive operations, it effectively treats any request as valid regardless of its origin or authentication status. This behavior creates a direct path for unauthorized data manipulation and information disclosure.
The operational impact of this vulnerability is significant given the nature of the affected functionality. Package points and shipping labels involve handling customer personal identifiable information including names, addresses, phone numbers, and potentially payment-related details associated with delivery logistics. An attacker leveraging this flaw can extract sensitive customer data leading to privacy violations and potential identity theft scenarios. Furthermore, the ability to modify or delete shipping configurations could disrupt business operations by altering delivery methods, invalidating existing labels, or causing logistical failures for legitimate customers relying on accurate shipping information.
This type of access control bypass is particularly dangerous because it does not require complex exploitation techniques such as buffer overflows or code injection. Instead, it relies on the fundamental principle that authentication and authorization must be strictly enforced at every level of application logic. The vulnerability persists in versions prior to 4.2.8, indicating a prolonged exposure window where systems running these older iterations remain susceptible to automated scanning tools designed specifically for detecting missing authorization flaws in WordPress plugins.
Mitigation strategies should prioritize immediate remediation through updating the plugin to version 4.2.8 or later where this access control logic has been corrected. In cases where an update is not immediately feasible, administrators can implement temporary compensating controls such as restricting file permissions on sensitive directories and utilizing web application firewalls to block requests lacking valid nonces or session cookies for administrative endpoints. Regular security audits focusing on role-based access control implementation are essential to prevent similar vulnerabilities in future plugin updates or custom code integrations within the WordPress environment.