CVE-2026-119482 in JetFormBuilder Plugin
Summary
by MITRE • 10/30/2026
Missing Authorization vulnerability in Crocoblock JetFormBuilder jetformbuilder allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects JetFormBuilder: from n/a through 3.6.7.1.
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Analysis
by VulDB Data Team • 10/30/2026
The identified security flaw represents a critical failure in access control mechanisms within the Crocoblock JetFormBuilder plugin for WordPress, specifically affecting versions ranging from initial releases up to version 3.6.7.1. This vulnerability is classified as an insecure direct object reference or broken access control issue, where the application fails to properly verify whether the authenticated user has sufficient privileges to perform specific actions on form data or configuration settings. In a typical web application architecture, authorization checks must be enforced both at the client side for usability and, more importantly, at the server side to ensure security integrity. The absence of these rigorous server-side validations allows an attacker who possesses valid credentials, or potentially even unauthenticated users depending on the specific endpoint exposure, to manipulate form submissions, access sensitive user data submitted through forms, or alter administrative settings that should be restricted to higher-privilege accounts such as administrators.
From a technical perspective, this vulnerability stems from the application's reliance on client-side controls or insufficient validation of session tokens and role-based permissions when processing requests related to JetFormBuilder operations. When an attacker crafts HTTP requests with modified parameters indicating elevated privileges or targeting resources belonging to other users, the server processes these requests without adequate verification against the user’s actual assigned roles in WordPress. This misconfiguration effectively bypasses intended security boundaries, leading to a state where low-privilege actors can execute functions reserved for high-privilege entities. The root cause aligns with CWE-284 Improper Access Control and CWE-639 Authorization Bypass Through User-Controlled Key, highlighting the fundamental flaw in how identity and permission states are managed during request processing cycles within the plugin’s codebase.
The operational impact of this vulnerability is severe due to the widespread adoption of JetFormBuilder for handling sensitive user inputs such as contact information, payment details, login credentials, and personal identification data. An attacker exploiting this weakness can achieve unauthorized access to personally identifiable information stored in form submissions, leading to potential privacy violations and compliance failures with regulations like GDPR or CCPA. Furthermore, if the vulnerability allows modification of form configurations, it could facilitate further attacks such as cross-site scripting by injecting malicious scripts into form fields that are later rendered on public pages, or phishing campaigns where attackers create fake forms designed to harvest additional credentials from unsuspecting visitors. The ability to bypass administrative controls also poses a risk to site integrity, allowing potential defacement or the insertion of backdoors if combined with other vulnerabilities in the WordPress ecosystem.
Mitigation strategies must prioritize immediate remediation through software updates and robust configuration hardening. Site administrators should upgrade JetFormBuilder to version 3.6.7.2 or later where this authorization flaw has been addressed by implementing stricter server-side validation checks for all form-related actions. Until an update is applied, temporary mitigations include restricting access to the WordPress admin area using IP whitelisting and ensuring that only trusted users have editor or administrator roles. Additionally, deploying a Web Application Firewall can help detect and block anomalous request patterns indicative of authorization bypass attempts, such as frequent parameter manipulation on form submission endpoints. Regular security audits and penetration testing focused on role-based access control are recommended to identify similar misconfigurations across other plugins installed on the same WordPress instance, ensuring a comprehensive defense-in-depth posture against privilege escalation attacks.