EUVD-2025-18240

Comprehensive Technical Analysis of EUVD-2025-18240

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-18240 pertains to a Privilege Escalation issue in the REST API | Custom API Generator For Cross Platform And Import Export In WP plugin for WordPress. The missing capability check on the process_handler() function allows unauthenticated attackers to exploit the plugin by posting an arbitrary import_api URL and importing specially crafted JSON data. This can result in the creation of a new user with full Administrator privileges.

Severity Evaluation:

• Base Score: 9.8 (Critical)
• Base Score Version: CVSS 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The high base score indicates a critical vulnerability due to the ease of exploitation (low complexity, no authentication required) and the severe impact on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

1. Unauthenticated Access: An attacker can exploit this vulnerability without needing any authentication.
2. Remote Exploitation: The attack can be executed over the network, making it a remote exploitation vector.

Exploitation Methods:

1. Crafted JSON Payload: An attacker can craft a JSON payload designed to create a new user with Administrator privileges.
2. POST Request: The attacker sends a POST request to the import_api URL with the crafted JSON payload.
3. Privilege Escalation: Upon successful import, the attacker gains full Administrator access to the WordPress site.

3. Affected Systems and Software Versions

Affected Software:

• REST API | Custom API Generator For Cross Platform And Import Export In WP plugin for WordPress

Affected Versions:

• Versions 1.0.0 to 2.0.3

Vendor:

• weboccults

4. Recommended Mitigation Strategies

1. Immediate Patching: Upgrade the plugin to a version that includes a fix for this vulnerability.
2. Access Controls: Implement strict access controls and ensure proper capability checks are in place for all functions handling sensitive operations.
3. Monitoring and Logging: Enable comprehensive logging and monitoring to detect any suspicious activities related to the import_api URL.
4. Regular Audits: Conduct regular security audits and code reviews to identify and mitigate similar vulnerabilities.
5. Network Security: Implement network security measures such as firewalls and intrusion detection systems to prevent unauthorized access.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using the affected WordPress plugin. The potential for unauthenticated attackers to gain Administrator privileges can lead to data breaches, unauthorized access, and further compromise of the affected systems. This underscores the importance of timely patching and robust security practices to mitigate such risks.

6. Technical Details for Security Professionals

Vulnerable Function:

• process_handler() in wot-rapi-import-functions.php

Code Snippet (Vulnerable Section):

function process_handler() {
    // Missing capability check
    $import_data = json_decode(file_get_contents('php://input'), true);
    // Process import data
}

Recommended Fix:

function process_handler() {
    if (!current_user_can('manage_options')) {
        wp_die(__('You do not have sufficient permissions to access this page.'));
    }
    $import_data = json_decode(file_get_contents('php://input'), true);
    // Process import data
}

References:

• Wordfence Threat Intelligence
• WordPress Plugin Repository
• WordPress Plugin Page
• NVD CVE-2025-5288

Aliases:

• CVE-2025-5288

Assigner:

• Wordfence

EPSS:

• N/A

ENISA ID Product:

• [{"id":"ae526b42-d614-370a-9c97-63ffa4d87c0d","product":{"name":"REST API | Custom API Generator For Cross Platform And Import Export In WP"},"product_version":"1.0.0 ≤2.0.3"}]

ENISA ID Vendor:

• [{"id":"9d517311-d60a-3edf-af4b-2c9a1e41f9a3","vendor":{"name":"weboccults"}}]

By addressing this vulnerability promptly and implementing the recommended mitigation strategies, organizations can significantly reduce the risk of exploitation and enhance their overall cybersecurity posture.