CVE-2025-14169 is a vulnerability classified under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command) affecting the FunnelKit – Funnel Builder for WooCommerce Checkout plugin for WordPress. The issue arises from insufficient escaping and lack of prepared statements in handling the 'opid' parameter, which is user-supplied. This allows an unauthenticated attacker to inject arbitrary SQL commands into the backend database query, specifically through a time-based blind SQL Injection technique. This attack vector enables the attacker to infer sensitive information from the database by measuring response delays, even without direct error messages or output. The vulnerability affects all versions up to and including 3.13.1.5. The CVSS v3.1 score is 7.5 (high), reflecting the vulnerability's network attack vector, no required privileges, no user interaction, and high confidentiality impact. The plugin is widely used in WooCommerce environments to build checkout funnels, making it a critical component in e-commerce workflows. No patches are currently linked, and no known exploits have been reported in the wild, but the vulnerability's nature makes it a prime target for attackers seeking to extract sensitive customer or transactional data from compromised e-commerce sites.

For European organizations, especially those operating e-commerce platforms using WooCommerce and FunnelKit, this vulnerability poses a significant risk to the confidentiality of customer data, including personal and payment information stored in the backend database. Successful exploitation could lead to data breaches, loss of customer trust, regulatory penalties under GDPR, and potential financial losses. The unauthenticated nature of the attack increases the risk as attackers do not need valid credentials or user interaction to exploit the flaw. This could also facilitate further attacks such as account takeover or fraud if sensitive data is extracted. The availability and integrity of the e-commerce platform are less directly impacted, but reputational damage and operational disruptions due to incident response efforts are likely. Given the widespread use of WordPress and WooCommerce in Europe, the scale of potential impact is considerable.

1. Monitor for and apply security patches or updates from the FunnelKit plugin vendor as soon as they become available. 2. In the absence of immediate patches, deploy Web Application Firewalls (WAFs) with specific rules to detect and block SQL Injection attempts targeting the 'opid' parameter or suspicious query patterns. 3. Restrict access to the vulnerable endpoints by IP whitelisting or rate limiting to reduce exposure to automated attacks. 4. Conduct thorough code reviews and consider temporary disabling or replacing the FunnelKit plugin if patching is delayed. 5. Implement database user permissions with the principle of least privilege to limit the potential damage of SQL Injection attacks. 6. Enable detailed logging and monitoring of database queries and web application logs to detect anomalous activities indicative of exploitation attempts. 7. Educate development and security teams on secure coding practices, emphasizing the use of prepared statements and parameterized queries to prevent SQL Injection.