SQL Injection in Amelia Booking System

Executive Summary

This vulnerability is an SQL Injection issue found in Melograno Venture Studio Amelia ameliabooking. Specifically, it is a Blind SQL Injection vulnerability caused by improper neutralization of special elements used in SQL commands. This means that an attacker can manipulate SQL queries by injecting malicious input, potentially extracting or altering data without direct visibility of the database responses.

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Detection Guidance

Detecting SQL injection vulnerabilities like CVE-2026-57702 in the Amelia plugin for WordPress requires checking for signs of exploitation or testing for the vulnerability itself. Since this is a blind SQL injection, traditional error-based detection methods may not work, but you can look for suspicious activity or test for the vulnerability using the following approaches:

• Log Analysis: Review web server logs (e.g., Apache, Nginx) for unusual SQL-related errors or patterns in HTTP requests. Look for requests containing SQL keywords like 'SELECT', 'UNION', 'OR', '--', or other SQL syntax in unexpected parameters.
• Network Traffic Monitoring: Use tools like Wireshark or Zeek to monitor network traffic for suspicious SQL queries sent to the server. Filter for HTTP requests targeting the Amelia plugin endpoints.
• Vulnerability Scanning: Use automated tools like OWASP ZAP, Burp Suite, or sqlmap to scan for SQL injection vulnerabilities. For example, you can use sqlmap with a command like: sqlmap -u 'https://example.com/wp-admin/admin-ajax.php?action=ameliasomething' --data='param=value' --risk=3 --level=5 --dbms=mysql --technique=B
• Manual Testing: If you have access to the application, manually test input fields or parameters used by the Amelia plugin. Inject time-based or boolean-based payloads to check for delays or unexpected behavior. For example, append a payload like ' AND (SELECT * FROM (SELECT(SLEEP(10)))a)-- ' to a vulnerable parameter and observe if the response is delayed.
• Plugin Version Check: Verify the installed version of the Amelia plugin. If it is version 2.4.2 or earlier, it is vulnerable. You can check the version via the WordPress admin dashboard under 'Plugins' or by inspecting the plugin files directly.

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Impact Analysis

The vulnerability has a high severity with a CVSS score of 9.3, indicating it can have a significant impact. It allows remote attackers to perform Blind SQL Injection without any privileges or user interaction, potentially leading to high confidentiality impact by exposing sensitive data. Additionally, it can cause a low level of availability impact, possibly disrupting service.

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Compliance Impact

This SQL Injection vulnerability in Amelia (CVE-2026-57702) can significantly impact compliance with standards and regulations like GDPR and HIPAA due to its potential to expose sensitive data.

• GDPR: The vulnerability allows unauthorized access to databases, which may contain personally identifiable information (PII). Under GDPR, organizations must protect PII from unauthorized access or disclosure. A successful SQL injection attack could lead to data breaches, resulting in non-compliance with GDPR's data protection requirements (e.g., Articles 5, 25, and 32). This may trigger mandatory breach notifications and potential fines.
• HIPAA: If the affected system handles protected health information (PHI), this vulnerability could lead to unauthorized access to PHI. HIPAA requires safeguards to ensure the confidentiality, integrity, and availability of PHI. A SQL injection attack exploiting this vulnerability could violate the HIPAA Security Rule (45 CFR Part 164, Subpart C), leading to penalties and corrective action plans.
• General impact: The CVSS score of 9.3 (Critical) indicates a high risk of data exposure, which is a key concern for compliance frameworks. Organizations using the vulnerable version of Amelia may fail audits or face legal consequences if they do not mitigate the risk promptly.

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Mitigation Strategies

To mitigate CVE-2026-57702, follow these immediate steps to reduce the risk of exploitation:

• Update the Plugin: The most effective mitigation is to update the Amelia plugin to the latest version if a patch is available. Since the vulnerability affects versions up to and including 2.4.2, check for updates in the WordPress plugin repository or the vendor's website.
• Disable the Plugin: If an update is not immediately available, disable the Amelia plugin until a patch is released. This will prevent attackers from exploiting the vulnerability.
• Apply a Web Application Firewall (WAF): Configure a WAF (e.g., ModSecurity, Cloudflare) to block SQL injection attempts. Rules like OWASP ModSecurity Core Rule Set (CRS) can help detect and block malicious SQL queries.
• Restrict Access: Limit access to the WordPress admin dashboard and Amelia plugin endpoints to trusted IP addresses only. This can be done via server configuration (e.g., .htaccess for Apache) or a security plugin.
• Monitor for Exploitation: Set up monitoring for unusual database queries or unexpected behavior in the Amelia plugin. Log and review all SQL queries executed by the plugin to detect potential exploitation attempts.
• Review Database Permissions: Ensure the database user associated with the Amelia plugin has the least privileges necessary. Avoid using a database user with administrative privileges for the plugin.
• Backup Data: Regularly back up your WordPress database and files to ensure you can restore them in case of a successful attack.

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