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CVE-2025-52731: Missing Authorization vulnerability in WordPress Event Manager, Event Calendar and Booking Plugin

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Overview

The CVE-2025-52731 vulnerability is a Missing Authorization flaw in the WordPress Event Manager, Event Calendar and Booking Plugin. This vulnerability affects WordPress websites using these plugins up to version 4.0.24. It poses a significant threat as it can potentially lead to system compromise or data leakage by exploiting incorrectly configured Access Control Security Levels.

Vulnerability Summary

CVE ID: CVE-2025-52731
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

WordPress Event Manager Plugin | Up to 4.0.24
WordPress Event Calendar Plugin | Up to 4.0.24
WordPress Booking Plugin | Up to 4.0.24

How the Exploit Works

The exploit works by taking advantage of incorrectly configured Access Control Security Levels in the WordPress Event Manager, Event Calendar and Booking Plugin. An attacker with low-level privileges can abuse this vulnerability, bypassing access controls to gain unauthorized access to restricted parts of the system or perform unauthorized actions.

Conceptual Example Code

Here’s a conceptual example of how the vulnerability might be exploited. This is a sample HTTP request that an attacker might use:

POST /wp-event-manager-endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"action": "unauthorized_action",
"data": "malicious_data"
}

In this example, the attacker sends a POST request to the vulnerable endpoint (`/wp-event-manager-endpoint`) of the WordPress site. The `action` field is set to an unauthorized action, and the `data` field contains malicious data that the attacker wants the system to process.

Solution and Mitigations

The definitive solution to this vulnerability is to apply the patch provided by the vendor. If the patch cannot be applied immediately, a temporary mitigation would be to utilize a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and block exploit attempts. Regularly updating all software, including WordPress and its plugins, is also a recommended practice to prevent exploitation of known vulnerabilities.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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