CVE-2026-56069 in Toolset Forms Plugin
Summary
by MITRE • 06/26/2026
Unauthenticated Insecure Direct Object References (IDOR) in Toolset Forms <= 2.6.24 versions.
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Analysis
by VulDB Data Team • 06/26/2026
The vulnerability identified as unauthenticated insecure direct object references in Toolset Forms versions prior to 2.6.24 represents a critical access control flaw that allows attackers to bypass authentication mechanisms and directly access resources they should not be authorized to view or modify. This type of vulnerability falls under the common weakness enumeration CWE-639 which specifically addresses authorization flaws where applications fail to properly verify user permissions before granting access to objects or data. The issue manifests when the application uses predictable identifiers or direct references to internal objects without proper validation of user privileges, enabling unauthorized users to manipulate object references and gain access to sensitive information.
The technical implementation of this vulnerability stems from insufficient input validation and authorization checks within the Toolset Forms plugin's object handling mechanisms. When users interact with forms or related administrative functions, the system relies on direct object references rather than indirect references that would properly verify user permissions. This design flaw allows attackers to construct malicious requests by simply modifying object identifiers in URLs or API calls, bypassing the normal authentication and authorization flow that should normally prevent unauthorized access to form data, settings, or configurations. The vulnerability is particularly dangerous because it affects the core functionality of the plugin without requiring any valid credentials to exploit.
The operational impact of this vulnerability extends beyond simple data exposure to potentially enable more severe attacks including data manipulation, privilege escalation, and complete system compromise. An attacker could enumerate and access forms, user data, configuration settings, or administrative functions that should be restricted to authorized personnel only. This type of access control bypass can lead to unauthorized modifications of form structures, data leakage of sensitive information, and potential disruption of business operations. The vulnerability particularly affects WordPress environments where Toolset Forms is installed, as it provides attackers with a direct path to compromise the content management system's integrity and confidentiality aspects.
From a cybersecurity perspective, this vulnerability aligns with several attack patterns documented in the mitre att&ck framework under the privilege escalation and defense evasion categories. Attackers can leverage this weakness to maintain persistent access to compromised systems while avoiding detection through conventional security controls. The low complexity of exploitation combined with the high impact makes this vulnerability particularly attractive to threat actors. Organizations should implement immediate mitigations including upgrading to Toolset Forms version 2.6.24 or later, which contains proper authorization checks and input validation mechanisms. Additional defensive measures include implementing web application firewalls that can detect and block suspicious object reference patterns, conducting regular security assessments of plugin installations, and ensuring proper access controls are in place at multiple layers of the application architecture. The vulnerability demonstrates the critical importance of proper authorization implementation and input validation in preventing unauthorized access to system resources, particularly within content management systems where plugins often handle sensitive data operations.