CVE-2026-118565 in GroupEx PRO Plugin
Summary
by MITRE • 10/30/2026
Vulnerability in Drupal GroupEx PRO ( Daxko ) integration. This issue affects GroupEx PRO ( Daxko ) integration versions: *.*.
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Analysis
by VulDB Data Team • 10/30/2026
The vulnerability identified within the Drupal GroupEx PRO integration module, specifically developed by Daxko, represents a significant security risk for organizations utilizing this platform to manage group registrations and event data. The affected software encompasses all version numbers denoted as .., indicating that every release of this specific integration layer is susceptible to exploitation. This broad scope suggests that the flaw is likely embedded in the core logic or API handling mechanisms rather than being isolated to a single edge case, necessitating immediate attention from system administrators and developers who rely on this module for seamless data synchronization between Drupal content management systems and the GroupEx PRO backend services.
From a technical perspective, vulnerabilities in integration modules often stem from improper validation of input data received from external APIs or insufficient sanitization before processing. In the context of third-party integrations like Daxko's GroupEx PRO, attackers may exploit weaknesses in how user-supplied data is handled during synchronization processes. This could potentially lead to scenarios such as Cross-Site Scripting if malicious scripts are injected through compromised group registration forms and subsequently rendered by Drupal pages without proper encoding. Alternatively, the flaw might involve insecure direct object references or broken access control mechanisms that allow unauthorized users to manipulate group membership details, pricing structures, or personal information stored within the system. The lack of version specificity in the advisory implies a fundamental architectural weakness rather than a patchable bug in isolated code paths.
The operational impact of this vulnerability is substantial for any organization dependent on accurate and secure data management through GroupEx PRO. If exploited successfully, an attacker could gain unauthorized access to sensitive participant information including names, contact details, payment history, and membership statuses. This exposure violates principles of confidentiality and integrity central to modern cybersecurity frameworks. Furthermore, depending on the exact nature of the exploit, there may be implications for availability if the attack vector allows for denial-of-service conditions through resource exhaustion or system crashes triggered by malformed data payloads sent via the integration interface. For businesses handling financial transactions alongside group registrations, such a breach could also result in significant reputational damage and regulatory penalties under laws like GDPR or CCPA due to the exposure of personally identifiable information.
Mitigation strategies must focus on immediate remediation through vendor updates while implementing compensating controls until patches are available. Organizations should first verify their current version against official Daxko advisories for any released fixes targeting this specific integration flaw. In the interim, network-level protections such as Web Application Firewalls can be configured to detect and block common attack patterns associated with injection attacks or unauthorized API access attempts directed at the GroupEx PRO endpoints. Additionally, strict input validation should be enforced on all forms feeding into the integration module, ensuring that only expected data types are processed. Regular audits of user permissions within Drupal ensure that least privilege principles are maintained, reducing the blast radius if an account is compromised. Continuous monitoring for anomalous activity in API logs can also aid in early detection and response to potential exploitation attempts leveraging this vulnerability.
This incident underscores the critical importance of maintaining up-to-date integrations with external service providers like Daxko. Security teams should prioritize regular review cycles for all third-party modules integrated into their Drupal environments, ensuring that they adhere to industry standards such as CWE Category 20 Improper Input Validation and ATT&CK techniques related to Injection or Account Manipulation. By proactively addressing these integration risks, organizations can safeguard their data integrity and maintain trust with their user base while complying with broader cybersecurity best practices mandated by regulatory bodies and internal security policies.