CVE-2024-47331 in Multi Step for Contact Form Plugin
Summary
by MITRE • 10/11/2024
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Ninja Team Multi Step for Contact Form cf7-multi-step allows SQL Injection.This issue affects Multi Step for Contact Form: from n/a through <= 2.7.7.
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Analysis
by VulDB Data Team • 04/05/2026
The vulnerability identified as CVE-2024-47331 represents a critical SQL injection flaw within the Ninja Team Multi Step for Contact Form plugin for WordPress. This weakness manifests in the cf7-multi-step component where user-supplied input fails to undergo proper sanitization before being incorporated into SQL database queries. The vulnerability specifically impacts versions of the plugin ranging from the initial release through version 2.7.7, creating a persistent security risk for affected installations. The improper neutralization of special SQL command elements allows attackers to manipulate database queries through malicious input, potentially leading to unauthorized data access, modification, or deletion. This type of vulnerability directly corresponds to CWE-89, which categorizes SQL injection as a severe weakness in software applications that handle database operations. The flaw exists at the interface between user input and database query construction, where input validation and sanitization mechanisms are insufficient to prevent malicious SQL code injection.
The operational impact of this vulnerability extends beyond simple data compromise, as it can enable attackers to escalate privileges within the affected WordPress environment. An attacker exploiting this vulnerability could potentially extract sensitive information from the database including user credentials, contact form submissions, and other confidential data stored within the WordPress installation. The attack surface is particularly concerning given that contact forms are frequently used in business environments, making the extracted data valuable for further exploitation attempts. The vulnerability's presence in the cf7-multi-step component suggests that the plugin's developers failed to implement proper input validation techniques such as parameterized queries or prepared statements, which are fundamental defensive measures against SQL injection attacks. This weakness aligns with ATT&CK technique T1071.004, which describes the use of application layer protocols for command and control activities, as attackers could leverage this vulnerability to gain deeper access to the system's data infrastructure.
Mitigation strategies for CVE-2024-47331 require immediate action from affected administrators to upgrade to the latest version of the Ninja Team Multi Step for Contact Form plugin where the vulnerability has been addressed. Organizations should implement comprehensive input validation measures including the adoption of parameterized queries and prepared statements for all database interactions. Security monitoring should be enhanced to detect unusual database query patterns that might indicate exploitation attempts, while network segmentation can help limit the potential impact of successful attacks. The implementation of web application firewalls and database activity monitoring solutions can provide additional layers of protection against SQL injection attempts. Regular security audits should be conducted to identify similar vulnerabilities in other plugins and themes within the WordPress ecosystem, as the prevalence of such flaws in content management systems underscores the importance of proactive security measures. Organizations should also consider implementing least privilege principles for database access and regular backup procedures to ensure rapid recovery in case of successful exploitation attempts.