CVE-2025-69358 in EventPrime Plugin
Summary
by MITRE • 03/25/2026
Missing Authorization vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects EventPrime: from n/a through <= 4.2.6.0.
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Analysis
by VulDB Data Team • 03/31/2026
The vulnerability identified as CVE-2025-69358 represents a critical missing authorization flaw within the Metagauss EventPrime event calendar management system. This security weakness manifests as an incorrectly configured access control security level that allows unauthorized users to exploit the system's permission structure. The vulnerability specifically impacts versions of EventPrime ranging from the initial release through version 4.2.6.0, indicating a widespread issue affecting multiple iterations of the software. The flaw resides in the application's authorization mechanisms, where proper access controls are not adequately enforced, creating potential entry points for malicious actors to bypass security measures and gain unauthorized access to calendar management functionalities.
The technical implementation of this vulnerability stems from insufficient validation of user permissions and roles within the event calendar management system. When users attempt to access specific calendar features or perform administrative functions, the system fails to properly verify their authorization credentials. This misconfiguration allows any authenticated user to potentially access restricted calendar management operations, including event creation, modification, deletion, and administrative settings. The flaw operates at the application layer where access control decisions should be made, but instead relies on inadequate or missing authorization checks that could be bypassed through careful manipulation of API calls or direct interface access. This type of vulnerability directly maps to CWE-285, which addresses improper authorization within software systems, and aligns with ATT&CK technique T1078 for valid accounts and privilege escalation through unauthorized access to system functions.
The operational impact of this vulnerability extends beyond simple unauthorized access to potentially compromising the entire calendar management infrastructure. Attackers could exploit this weakness to modify or delete critical events, manipulate calendar data, and potentially disrupt business operations that rely on accurate event scheduling. The vulnerability's scope affects all users who have access to the calendar management interface, creating a significant risk for organizations that depend on event planning and scheduling systems. Depending on the system configuration, this could enable attackers to gain access to sensitive organizational data, disrupt service availability, or potentially use the calendar system as a foothold for further attacks within the network. The impact is particularly severe in enterprise environments where calendar systems may contain confidential scheduling information, meeting details, and organizational planning data that could be leveraged for social engineering or additional attack vectors.
Organizations affected by CVE-2025-69358 should implement immediate mitigations including updating to the latest version of EventPrime where the authorization flaw has been addressed. System administrators should conduct comprehensive access control reviews to ensure that proper user role definitions are in place and that permissions are correctly configured for all calendar management functions. Network segmentation and monitoring should be enhanced to detect unusual access patterns or unauthorized attempts to access calendar management features. Additionally, implementing multi-factor authentication for administrative functions and regularly auditing user access logs can help identify potential exploitation attempts. Security teams should also consider implementing web application firewalls and access control lists to provide additional layers of protection against unauthorized access attempts. The remediation process should include thorough testing of access control mechanisms to ensure that the fix properly enforces authorization checks and that no similar vulnerabilities exist within the application's permission structure. Regular security assessments and vulnerability scanning should be conducted to identify and address similar authorization flaws that may exist in other components of the system.