CVE-2026-67366 in Extension
Summary
by MITRE • 08/14/2026
Joomla Extension - icagenda.com - CSRF on frontend registration actions in iCagenda < 2.0.0-4.0.11 - Multiple state changing operations in the frontend are callable without a CSRF token check.
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Analysis
by VulDB Data Team • 08/14/2026
The vulnerability identified in the Joomla extension icagenda.com represents a critical cross-site request forgery flaw that affects versions prior to 2.0.0-4.0.11. This security weakness allows attackers to manipulate user accounts and system states through maliciously crafted web requests without proper authentication or authorization checks. The issue specifically targets frontend registration actions where multiple state changing operations lack adequate CSRF token validation mechanisms, creating an exploitable attack surface that can be leveraged by unauthorized parties.
The technical implementation of this vulnerability stems from the absence of proper request validation within the extension's frontend components. When users perform registration-related activities through the iCagenda interface, the system fails to verify that requests originate from legitimate user interactions rather than maliciously constructed HTTP requests. This occurs because the affected operations do not implement CSRF token verification before executing state-changing actions such as account creation, modification, or deletion processes. The flaw aligns with CWE-352, which specifically addresses Cross-Site Request Forgery vulnerabilities where web applications fail to validate the source of requests.
The operational impact of this vulnerability extends beyond simple unauthorized access attempts and can lead to significant system compromise. Attackers can exploit this weakness to register new accounts without user consent, modify existing user permissions, or manipulate event registration data within the iCagenda system. The consequences include potential account hijacking, unauthorized content modification, and disruption of legitimate user activities. Additionally, the vulnerability may enable attackers to escalate privileges or gain unauthorized administrative access if the frontend operations are not properly isolated from backend administrative functions.
From an attacker's perspective, this vulnerability provides a straightforward exploitation path that requires minimal technical expertise to implement. The attack vector typically involves crafting malicious HTML pages or embedding JavaScript code that automatically submits requests to the vulnerable iCagenda frontend endpoints. These attacks can be delivered through phishing campaigns, compromised websites, or social engineering tactics where unsuspecting users are tricked into visiting malicious pages that initiate unauthorized actions on their behalf. This approach aligns with ATT&CK technique T1566 which describes social engineering methods used to compromise systems.
Mitigation strategies for this vulnerability must address the core issue of missing CSRF token validation in frontend operations. The most effective solution involves implementing robust anti-CSRF mechanisms that generate and validate unique tokens for each user session before executing any state-changing operations. Organizations should immediately update to version 2.0.0-4.0.11 or later where this vulnerability has been patched, as the developers have implemented proper token validation procedures. Additionally, system administrators should consider implementing additional security measures such as request origin validation, rate limiting on registration endpoints, and monitoring for unusual account creation patterns that may indicate exploitation attempts. The fix should also include proper input sanitization and validation to ensure that all frontend operations properly authenticate requests before executing any user state modifications.