CVE-2023-40658 in Clicky Analytics Dashboard Module
Summary
by MITRE • 12/14/2023
A reflected XSS vulnerability was discovered in the Clicky Analytics Dashboard module for Joomla.
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Analysis
by VulDB Data Team • 01/10/2024
The reflected cross-site scripting vulnerability in the Clicky Analytics Dashboard module for Joomla represents a critical security weakness that allows remote attackers to inject malicious scripts into web pages viewed by other users. This type of vulnerability occurs when user input is immediately reflected back in the application's response without proper sanitization or encoding, creating an opportunity for attackers to execute arbitrary JavaScript code within the victim's browser context. The vulnerability specifically affects the Joomla content management system and its associated analytics module, which is commonly used to track website traffic and user behavior. According to CWE-79, this falls under the category of Cross-Site Scripting where improperly sanitized input allows attackers to inject malicious scripts into web applications that are then executed by other users.
The technical exploitation of this vulnerability typically involves crafting malicious URLs containing script payloads that are submitted through various input vectors within the Joomla interface. When a victim clicks on these crafted links or visits pages containing the malicious content, the reflected script executes in their browser session, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The Clicky Analytics Dashboard module likely processes user-supplied parameters without adequate validation, allowing attackers to inject HTML and JavaScript code that gets rendered back to unsuspecting users. This vulnerability is particularly dangerous because it can be exploited through social engineering techniques where attackers send infected links via email or other communication channels.
The operational impact of this reflected XSS vulnerability extends beyond simple script execution to encompass potential data breaches and system compromise. Attackers could leverage this weakness to steal user sessions, capture sensitive information submitted through forms, or redirect users to phishing sites designed to harvest credentials. The attack surface is particularly concerning in a CMS environment like Joomla where administrators often have elevated privileges, making successful exploitation potentially devastating for entire websites. According to ATT&CK framework category T1531, this vulnerability represents an entry point for credential access and privilege escalation attacks. Organizations using this module face risks including unauthorized access to sensitive analytics data, potential modification of tracking parameters, and exposure of user privacy information that the analytics system is designed to collect.
Mitigation strategies for this reflected XSS vulnerability should include immediate patching of the affected Joomla module to address the input validation issues. Organizations should implement comprehensive output encoding mechanisms to prevent script execution in response content, utilize Content Security Policy headers to restrict script sources, and deploy web application firewalls to detect and block malicious payloads. Regular security auditing of third-party modules and extensions is essential to identify similar vulnerabilities across the entire Joomla installation. Additionally, implementing proper input validation and sanitization procedures for all user-supplied data, combined with regular security training for administrators, will help reduce the attack surface. The vulnerability demonstrates the importance of maintaining up-to-date security practices and the necessity of thorough code review processes for all web application components, particularly those handling user input in web analytics systems. Organizations should also consider implementing automated scanning tools to identify similar reflected XSS vulnerabilities throughout their web applications and ensure proper security hardening measures are in place across all deployed systems.