What the vulnerability does
01Description
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 <= 4.2.4.1.
Explanation of Vulnerability in Simple Terms
02Summary
EventPrime versions up to 4.2.4.1 lack proper authorization checks, allowing authenticated users to modify data they should not have access to. An attacker with a low-privilege account can alter information without proper permission validation. The vulnerability affects the integrity of stored data but does not expose sensitive information or disrupt availability.
What an attacker can do
03Attacker Capabilities
Modify data in EventPrime without proper authorization checks.
Potential impact on your site
04Site Impact
Unauthorized users can alter event or configuration data, compromising data integrity.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege authenticated account on the site.
Key dates
06Disclosure timeline
December 9, 2025
CVE published
April 28, 2026
Record updated