CVE-2024-37923 in Cliengo Chatbot Plugin
Summary
by MITRE • 07/09/2024
Cross-Site Request Forgery (CSRF) vulnerability in cliengo Cliengo – Chatbot cliengo allows Cross Site Request Forgery.This issue affects Cliengo – Chatbot: from n/a through <= 3.0.4.
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Analysis
by VulDB Data Team • 04/02/2026
The cross-site request forgery vulnerability identified as CVE-2024-37923 represents a critical security flaw within the cliengo Chatbot plugin version 3.0.4 and earlier releases. This vulnerability stems from the absence of proper anti-CSRF mechanisms in the plugin's web application interface, creating an exploitable condition where malicious actors can manipulate authenticated users into performing unintended actions. The flaw manifests when users interact with the cliengo chatbot functionality, particularly during administrative operations that modify plugin settings or user configurations. The vulnerability is classified under CWE-352, which specifically addresses Cross-Site Request Forgery issues in web applications. Attackers can exploit this weakness by crafting malicious web pages or email attachments that, when visited by authenticated users, automatically submit requests to the vulnerable cliengo plugin endpoints without user consent or awareness. The exploitation requires minimal privileges and can result in unauthorized modifications to chatbot configurations, user data manipulation, or potentially unauthorized access to sensitive system functions.
The technical implementation of this CSRF vulnerability occurs through the absence of anti-CSRF tokens in the plugin's administrative forms and API endpoints. When administrators or authorized users access the cliengo chatbot management interface, the application fails to validate the authenticity of requests originating from external domains or malicious web pages. This lack of validation creates a window of opportunity for attackers to leverage the user's existing authenticated session to execute unauthorized operations. The vulnerability impacts the plugin's configuration management system, where users can modify chatbot behavior, adjust integration settings, or manage user access permissions. The attack vector typically involves the creation of malicious HTML pages containing embedded requests that target the cliengo plugin's administrative endpoints, exploiting the trust relationship between the user's browser and the vulnerable application. This flaw operates at the application layer and affects the integrity of the authentication and authorization mechanisms within the cliengo platform.
The operational impact of CVE-2024-37923 extends beyond simple data modification, potentially enabling attackers to compromise the entire chatbot service infrastructure. Successful exploitation could lead to unauthorized configuration changes that might redirect chatbot conversations, modify user data, or disable critical security features. The vulnerability affects the availability and integrity of the cliengo service, as attackers could potentially disrupt chatbot operations or gain unauthorized access to customer communications. Organizations using cliengo chatbot versions up to 3.0.4 face significant risk of data breaches, service disruption, and potential regulatory compliance violations. The attack surface is particularly concerning because chatbot platforms often handle sensitive customer information, making them attractive targets for cybercriminals seeking to exploit authentication bypasses. The vulnerability's impact is amplified when considering that the cliengo plugin integrates with various third-party services, potentially allowing attackers to escalate privileges or access additional system components through the compromised chatbot interface.
Mitigation strategies for CVE-2024-37923 require immediate action from affected organizations to upgrade to patched versions of the cliengo Chatbot plugin. The most effective remediation involves implementing proper CSRF token validation mechanisms that ensure all administrative requests contain valid anti-CSRF tokens generated for each user session. Security patches should include the implementation of SameSite cookie attributes and Origin header validation to prevent unauthorized cross-site requests. Organizations should also implement additional security controls such as request origin verification, session management improvements, and regular security audits of web applications. The ATT&CK framework categorizes this vulnerability under T1566, which covers social engineering techniques, and T1071.001, which addresses application layer protocol usage. Organizations should also consider implementing network segmentation, web application firewalls, and monitoring solutions to detect and prevent CSRF attack attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other plugins or applications within the cliengo ecosystem, ensuring comprehensive protection against credential theft and unauthorized administrative actions.