CVE-2025-58009 in CP Multi View Event Calendar Plugin
Summary
by MITRE • 09/22/2025
Missing Authorization vulnerability in codepeople CP Multi View Event Calendar allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects CP Multi View Event Calendar : from n/a through 1.4.32.
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Analysis
by VulDB Data Team • 09/22/2025
The CVE-2025-58009 vulnerability represents a critical missing authorization flaw within the codepeople CP Multi View Event Calendar plugin, specifically impacting versions ranging from an unspecified starting point through version 1.4.32. This vulnerability falls under the category of incorrectly configured access control security levels, which directly undermines the fundamental security principles of authentication and authorization within web applications. The flaw allows unauthorized users to bypass intended access restrictions and potentially gain elevated privileges or access to restricted functionality that should only be available to authorized administrators or users with specific permissions. From a cybersecurity perspective, this issue demonstrates a classic failure in implementing proper access control mechanisms, where the application does not adequately verify user credentials or roles before granting access to sensitive operations or data.
The technical implementation of this vulnerability stems from insufficient validation of user permissions within the event calendar plugin's codebase. When users attempt to access administrative functions or view restricted calendar data, the application fails to properly authenticate and authorize their requests. This misconfiguration creates a pathway for attackers to exploit the system by crafting malicious requests that bypass normal access controls. The vulnerability is particularly concerning because it affects the core authorization mechanisms of the plugin, potentially allowing attackers to manipulate event data, view confidential calendar information, or perform administrative actions without proper credentials. According to CWE classification, this represents a weakness in access control where the system fails to properly enforce authorization checks, making it susceptible to privilege escalation and unauthorized data access. The ATT&CK framework would categorize this as an access control bypass technique, where adversaries exploit misconfigurations to gain unauthorized access to resources.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can lead to significant data breaches and system compromise within environments where the CP Multi View Event Calendar is deployed. Organizations relying on this plugin for event management may experience unauthorized modification of calendar entries, exposure of sensitive scheduling information, or potential disruption of business operations. The vulnerability's scope is particularly problematic in environments where calendar data contains confidential information such as meeting schedules, resource allocations, or personal details of individuals. Attackers could leverage this flaw to conduct reconnaissance activities, gather intelligence about organizational structures, or use the access to pivot into other systems within the network. The lack of proper authorization checks creates an attack surface that can be exploited by both external threat actors and internal malicious users who have gained initial access to the system.
Mitigation strategies for CVE-2025-58009 should prioritize immediate patching of affected versions to address the underlying authorization flaw in the CP Multi View Event Calendar plugin. Organizations must conduct thorough vulnerability assessments to identify all instances of the plugin within their environment and ensure proper access control configurations are implemented. The remediation process should include verifying that all user interactions with the calendar system properly validate authentication tokens and user roles before granting access to sensitive functionality. Security teams should implement additional monitoring mechanisms to detect unauthorized access attempts and establish proper logging of all calendar-related activities for audit purposes. According to industry best practices, organizations should also review their overall access control policies and ensure that the principle of least privilege is enforced across all calendar management functions. Regular security testing and code reviews should be implemented to prevent similar authorization flaws from emerging in future versions of the plugin or similar applications. The vulnerability underscores the critical importance of proper authorization implementation and the need for continuous security validation of web applications to prevent unauthorized access and data breaches.