CVE-2024-29776 in EventPrime Plugin
Summary
by MITRE • 03/27/2024
Cross Site Scripting (XSS) vulnerability in Metagauss EventPrime.This issue affects EventPrime: from n/a through 3.3.9.
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Analysis
by VulDB Data Team • 05/29/2025
The Cross Site Scripting vulnerability identified as CVE-2024-29776 resides within the Metagauss EventPrime platform, representing a critical security flaw that allows malicious actors to inject arbitrary JavaScript code into web applications. This vulnerability specifically impacts versions of EventPrime ranging from the initial release through version 3.3.9, creating a substantial attack surface for potential exploitation. The flaw stems from inadequate input validation and output encoding mechanisms within the application's user interface components, particularly affecting areas where user-supplied data is rendered without proper sanitization. This vulnerability falls under CWE-79 which categorizes improper neutralization of input during web page generation, making it a classic example of client-side code injection that can compromise user sessions and data integrity. The ATT&CK framework would classify this under T1531 and T1203, representing malicious input and exploitation of vulnerabilities respectively.
The technical implementation of this XSS vulnerability occurs when EventPrime processes user inputs through its event management and registration features, failing to properly escape or encode special characters in submitted data before displaying it on web pages. Attackers can craft malicious payloads that, when executed, can steal cookies, session tokens, or perform unauthorized actions on behalf of authenticated users. The vulnerability's impact is amplified by the fact that EventPrime likely serves as a platform for event organizers to manage registrations and user interactions, meaning that successful exploitation could compromise not only individual user accounts but also organizational data and potentially lead to broader system compromise. The attack vector typically involves injecting malicious scripts through form fields, URL parameters, or other user-controllable inputs that are subsequently rendered in the application's web interface.
From an operational perspective, this vulnerability creates significant risk for organizations using EventPrime as their event management solution, as it can lead to unauthorized access to sensitive event data, user information, and potentially allow attackers to escalate privileges within the system. The impact extends beyond simple data theft, as attackers could manipulate event registrations, alter participant information, or even redirect users to malicious sites. Organizations may face regulatory compliance issues if user data is compromised, particularly in environments where personal information protection laws apply. The vulnerability's exploitation requires minimal technical skill, making it attractive to threat actors who may use it as part of broader attack campaigns targeting event management platforms or organizations that rely on such systems for business operations.
Mitigation strategies for CVE-2024-29776 should prioritize immediate remediation through the application of the vendor's official patch or upgrade to version 3.4.0 or later, which addresses the identified XSS vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms, ensuring all user-supplied data undergoes proper sanitization before being processed or displayed within the application. The implementation of Content Security Policy headers can provide additional protection against XSS attacks by restricting the sources from which scripts can be loaded. Security teams should conduct thorough penetration testing and code reviews to identify similar vulnerabilities within the application's codebase, particularly focusing on areas where user-generated content is processed. Regular security training for developers on secure coding practices and adherence to OWASP Top Ten guidelines will help prevent future occurrences of such vulnerabilities in EventPrime and similar applications. Additionally, monitoring for suspicious activities and implementing web application firewalls can provide defense-in-depth measures against exploitation attempts.