EUVD-2025-204058

Comprehensive Technical Analysis of EUVD-2025-204058

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-204058, also known as CVE-2025-64374, is classified as an "Unrestricted Upload of File with Dangerous Type" in the StylemixThemes Motors theme for WordPress. This vulnerability allows attackers to upload malicious files, potentially leading to remote code execution (RCE) or other severe security breaches.

Severity Evaluation:

• Base Score: 9.9 (Critical)
• Base Score Version: CVSS 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

The CVSS score of 9.9 indicates a critical vulnerability due to the following factors:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): Low (L)
• User Interaction (UI): None (N)
• Scope (S): Changed (C)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This high severity score underscores the potential for significant damage if exploited.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unrestricted File Upload: Attackers can upload files with dangerous types (e.g., PHP, executable scripts) without proper validation.
• Remote Code Execution (RCE): By uploading a malicious file, attackers can execute arbitrary code on the server.
• Web Shell Upload: Attackers can upload web shells to gain persistent access to the server.

Exploitation Methods:

• Direct Upload: Exploiting the vulnerability by directly uploading a malicious file through the theme's file upload functionality.
• Phishing: Tricking users with administrative privileges to upload malicious files.
• Automated Scripts: Using automated scripts to scan for vulnerable installations and upload malicious files.

3. Affected Systems and Software Versions

Affected Software:

• Product: StylemixThemes Motors
• Versions: All versions from n/a through <= 5.6.81

Affected Systems:

• WordPress Websites: Any website using the Motors theme within the specified version range.
• Servers: Web servers hosting WordPress installations with the vulnerable theme.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update: Immediately update the Motors theme to a version higher than 5.6.81 if a patch is available.
• Disable File Uploads: Temporarily disable file upload functionality until a patch is applied.
• Monitoring: Implement continuous monitoring for suspicious file uploads and activities.

Long-Term Mitigation:

• Regular Updates: Ensure all themes, plugins, and WordPress core are regularly updated.
• Access Control: Restrict administrative access and enforce strong authentication mechanisms.
• Web Application Firewall (WAF): Deploy a WAF to filter out malicious upload attempts.
• Security Plugins: Use security plugins to scan for vulnerabilities and malicious files.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using the Motors theme. The potential for RCE and data breaches can lead to:

• Data Theft: Unauthorized access to sensitive data.
• Service Disruption: Compromise of website availability and functionality.
• Reputation Damage: Loss of trust and credibility for affected organizations.
• Compliance Issues: Potential violations of GDPR and other regulatory requirements.

6. Technical Details for Security Professionals

Vulnerability Details:

• Type: Unrestricted Upload of File with Dangerous Type
• Cause: Insufficient validation of uploaded files, allowing dangerous file types to be uploaded.
• Exploit: Uploading a malicious file (e.g., PHP script) that can be executed on the server.

Detection and Response:

• Log Analysis: Review server logs for unusual file upload activities.
• File Integrity Monitoring: Use tools to monitor changes in critical files and directories.
• Incident Response: Have a predefined incident response plan to quickly address and mitigate any detected exploitation attempts.

References:

• Patchstack Vulnerability Database
• NVD CVE-2025-64374

By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of exploitation and protect their digital assets.