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CVE-2025-6691: Arbitrary File Deletion Vulnerability in SureForms WordPress Plugin

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Overview

The CVE-2025-6691 vulnerability presents a significant risk to websites and web applications using the SureForms WordPress plugin. This plugin, popular for its drag and drop form builder capabilities, has a critical flaw that allows attackers to delete arbitrary files on the server. This vulnerability affects all versions of the plugin up to and including 1.7.3. This issue is of particular concern as it can potentially lead to remote code execution when critical files, such as wp-config.php, are deleted. This can lead to system compromise and data leakage, creating a serious threat to both the integrity and confidentiality of the affected system.

Vulnerability Summary

CVE ID: CVE-2025-6691
Severity: High (8.1 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, data leakage

Affected Products

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Product | Affected Versions

SureForms – Drag and Drop Form Builder for WordPress | All versions up to and including 1.7.3

How the Exploit Works

The vulnerability lies in the delete_entry_files() function of the SureForms WordPress plugin. This function fails to validate the file path properly, thereby enabling unauthenticated attackers to delete arbitrary files on the server. If an attacker strategically deletes certain files, such as wp-config.php, they can execute remote code on the server, leading to potential system compromise.

Conceptual Example Code

Below is a conceptual example of how an unauthenticated attacker might exploit this vulnerability:

POST /wp-content/plugins/sureforms/delete_entry_files.php HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "file_path": "/absolute/path/to/wp-config.php" }

In this example, the attacker sends a POST request to the delete_entry_files() function, specifying the absolute path of the wp-config.php file in the “file_path” parameter. This results in the deletion of the wp-config.php file, which can lead to remote code execution.

Mitigation Guidance

To mitigate this vulnerability, users are advised to apply the vendor-provided patch as soon as possible. In the interim, users can employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as temporary mitigation measures. Regularly updating all WordPress plugins and core files is also a good practice to prevent such 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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