EUVD-2025-37429

Comprehensive Technical Analysis of EUVD-2025-37429

1. Vulnerability Assessment and Severity Evaluation

Vulnerability Description: The Tablesome Table – Contact Form DB – WPForms, CF7, Gravity, Forminator, Fluent plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the set_featured_image_from_external_url() function. This vulnerability affects all versions up to, and including, 1.1.32.

Severity Evaluation:

• Base Score: 9.8
• 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 CVSS score of 9.8 indicates a critical vulnerability. The high severity is due to the potential for unauthenticated attackers to upload arbitrary files, which can lead to remote code execution (RCE). The attack vector is network-based (AV:N), requires low complexity (AC:L), no privileges (PR:N), and no user interaction (UI:N). The impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H).

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated File Upload: Attackers can exploit the vulnerability by uploading malicious files through the set_featured_image_from_external_url() function.
• Remote Code Execution (RCE): If the uploaded file contains executable code, attackers can achieve RCE, leading to full control over the affected server.

Exploitation Methods:

• Direct Exploitation: Attackers can directly upload a malicious file by exploiting the missing file type validation.
• Chained Exploitation: Attackers can combine this vulnerability with other weaknesses in the system to escalate privileges or gain deeper access.

3. Affected Systems and Software Versions

Affected Systems:

• WordPress sites using the Tablesome Table – Contact Form DB – WPForms, CF7, Gravity, Forminator, Fluent plugin.

Affected Software Versions:

• All versions up to, and including, 1.1.32.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Plugin: Ensure that the plugin is updated to a version higher than 1.1.32, where the vulnerability is patched.
• Disable the Plugin: If an update is not immediately available, consider disabling the plugin until a fix is released.

Long-Term Mitigation:

• Regular Patching: Implement a regular patching and update schedule for all plugins and software.
• Input Validation: Ensure that all input validation mechanisms are robust and comprehensive.
• Access Controls: Implement strict access controls and limit the ability of unauthenticated users to interact with critical functions.

5. Impact on European Cybersecurity Landscape

Impact Assessment:

• Widespread Use: Given the widespread use of WordPress and its plugins, this vulnerability poses a significant risk to a large number of websites in Europe.
• Data Breaches: The potential for RCE can lead to data breaches, unauthorized access, and data manipulation.
• Compliance Risks: Organizations may face compliance issues with regulations such as GDPR if sensitive data is compromised.

Regulatory Considerations:

• GDPR Compliance: Ensure that all data processing activities comply with GDPR requirements to avoid legal repercussions.
• Incident Reporting: Implement robust incident reporting mechanisms to comply with regulatory requirements.

6. Technical Details for Security Professionals

Vulnerability Details:

• Function Affected: set_featured_image_from_external_url()
• Location: wp-post-creation.php at line 309
• Changeset: 3386484

Exploitation Steps:

1. Identify the vulnerable endpoint that allows unauthenticated users to upload files.
2. Craft a malicious file with executable code.
3. Upload the file using the set_featured_image_from_external_url() function.
4. Execute the uploaded file to achieve RCE.

Detection and Monitoring:

• Log Analysis: Monitor server logs for unusual file upload activities.
• Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious file upload attempts.
• File Integrity Monitoring: Use file integrity monitoring tools to detect unauthorized changes to critical files.

References:

• Wordfence Threat Intel
• WordPress Plugin Repository
• NVD CVE-2025-11499

By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risk of exploitation and protect their digital assets.