CVE-2026-25313 in FluentForm Plugin
Summary
by MITRE • 02/19/2026
Missing Authorization vulnerability in Shahjahan Jewel FluentForm fluentform allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FluentForm: from n/a through <= 6.1.14.
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Analysis
by VulDB Data Team • 02/21/2026
The CVE-2026-25313 vulnerability represents a critical missing authorization flaw within the Shahjahan Jewel FluentForm plugin, specifically impacting versions ranging from the initial release through version 6.1.14. This security weakness stems from incorrectly configured access control security levels that permit unauthorized users to exploit functionality that should be restricted to privileged administrators. The vulnerability resides in the plugin's authorization mechanisms, where proper validation checks fail to verify user permissions before granting access to sensitive administrative functions.
This missing authorization issue creates a significant risk for WordPress installations using the affected FluentForm plugin, as it allows attackers to bypass intended access controls and potentially execute malicious actions within the application's administrative interface. The flaw specifically affects the plugin's handling of security levels, where insufficient validation permits users without proper authorization to access restricted features and perform administrative operations. The vulnerability's impact extends to potential data manipulation, configuration changes, and unauthorized access to sensitive system information.
The technical exploitation of this vulnerability typically involves an attacker leveraging the improperly configured access control to gain unauthorized access to administrative functions within the FluentForm plugin. This misconfiguration allows unauthorized users to perform actions such as modifying form configurations, accessing sensitive data, or potentially executing arbitrary code within the application's context. The issue demonstrates a failure in implementing proper role-based access control mechanisms, which is a fundamental security principle that aligns with CWE-285, which addresses improper authorization within software systems.
The operational impact of CVE-2026-25313 can be severe for organizations relying on the affected FluentForm plugin, as it creates opportunities for privilege escalation attacks and unauthorized system modifications. Attackers could potentially use this vulnerability to compromise the entire WordPress installation, especially if the plugin's administrative functions provide access to core system configurations. The vulnerability's persistence across multiple versions indicates a systemic issue in the plugin's access control implementation that requires immediate remediation to prevent exploitation.
Organizations should prioritize immediate mitigation by updating to the latest version of the FluentForm plugin where this vulnerability has been addressed through proper authorization implementation. The recommended approach includes implementing robust access control validation mechanisms that enforce proper user authentication and authorization checks before granting access to administrative functions. Security measures should include regular monitoring of plugin updates, implementing network segmentation to limit access to administrative interfaces, and conducting comprehensive security assessments of all installed plugins to identify similar misconfigurations. Additionally, organizations should consider implementing the principle of least privilege and ensuring that administrative functions are properly restricted to authorized personnel only, aligning with ATT&CK technique T1078 for valid accounts and T1484 for domain policy manipulation.