CVE-2026-65567 in Event Tickets Plugin
Summary
by MITRE • 07/27/2026
Unauthenticated Broken Access Control in Event Tickets <= 5.29.0.1 versions.
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Analysis
by VulDB Data Team • 07/27/2026
This vulnerability represents a critical broken access control flaw that affects event ticketing systems running versions 5.29.0.1 and earlier. The issue stems from inadequate authentication mechanisms that allow unauthorized users to bypass access restrictions and gain administrative privileges or sensitive data access. According to the common weakness enumeration framework CWE-284, this represents an improper access control implementation where the system fails to properly verify user identities before granting access to restricted resources. The vulnerability manifests when the application does not adequately validate session tokens, API keys, or authentication credentials, enabling attackers to manipulate access controls and perform unauthorized actions.
The technical exploitation of this vulnerability occurs through several attack vectors including but not limited to session hijacking, token manipulation, or parameter tampering within the ticketing system's authentication flow. Attackers can leverage this weakness to access administrative panels, modify event configurations, alter ticket pricing, view sensitive customer data, or even create fraudulent tickets. The impact extends beyond simple unauthorized access as it potentially compromises the entire integrity and availability of the event management infrastructure. This vulnerability aligns with attack techniques documented in the attack tree framework where adversaries can progress from initial reconnaissance to privilege escalation through manipulation of authentication mechanisms.
The operational consequences of this vulnerability are severe for organizations relying on these ticketing systems, particularly those managing high-volume events or handling sensitive personal information. Data breaches resulting from unauthorized access could lead to financial losses, regulatory penalties under gdpr and other privacy laws, and reputational damage. The vulnerability affects not only the immediate ticketing functionality but also potentially exposes underlying databases containing customer information, payment details, and event scheduling data. Organizations using affected versions should immediately implement patch management protocols and conduct comprehensive security assessments of their event management systems.
Mitigation strategies must include immediate version updates to patched releases that address the authentication bypass mechanisms. Security teams should implement robust session management practices including secure token generation, proper session timeout configurations, and regular session invalidation procedures. Additional protective measures encompass input validation controls, rate limiting for authentication attempts, and comprehensive monitoring of access patterns for anomalous behavior detection. Organizations should also consider implementing multi-factor authentication mechanisms and role-based access controls to minimize the impact should authentication bypasses occur. The vulnerability serves as a reminder of the critical importance of proper access control implementation in web applications and highlights the necessity of regular security testing and code reviews to prevent similar issues in future deployments.