CVE-2025-2203 in FunnelKit Plugin
Summary
by MITRE • 05/16/2025
The FunnelKit WordPress plugin before 3.10.2 does not sanitize and escape a parameter before using it in a SQL statement, allowing admins to perform SQL injection attacks
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Analysis
by VulDB Data Team • 06/13/2025
The FunnelKit WordPress plugin vulnerability CVE-2025-2203 represents a critical security flaw that exposes administrators to sophisticated SQL injection attacks through improper input validation. This vulnerability affects versions prior to 3.10.2 and stems from the plugin's failure to adequately sanitize and escape user-supplied parameters before incorporating them into database queries. The flaw exists within the plugin's core functionality where administrative interfaces process user input without proper sanitization mechanisms, creating an exploitable pathway for malicious actors to manipulate database operations.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a common weakness in web applications. The flaw occurs when administrators interact with the plugin's administrative panels, where parameters are directly used in SQL statements without proper escaping or sanitization. This creates a scenario where an attacker with administrative privileges can craft malicious input that gets executed as part of the SQL query, potentially allowing full database access and manipulation. The vulnerability specifically targets the plugin's administrative functionality where user parameters are processed in database contexts.
From an operational perspective, this vulnerability poses significant risks to WordPress installations using the affected FunnelKit plugin. Attackers can leverage this weakness to extract sensitive data, modify database records, or even escalate privileges within the WordPress environment. The impact extends beyond simple data theft as the vulnerability allows for potential complete system compromise through database manipulation. Organizations relying on this plugin face elevated risk of data breaches, unauthorized access to user information, and potential disruption of business operations through database corruption or unauthorized modifications.
The exploitation of this vulnerability follows established attack patterns documented in the MITRE ATT&CK framework, particularly under the privilege escalation and defense evasion techniques. Attackers can use this weakness to maintain persistent access to the WordPress installation by creating backdoors or modifying existing user accounts. The vulnerability's impact is amplified by the fact that it requires only administrative access to exploit, making it particularly dangerous in environments where administrative credentials may be compromised through other attack vectors. Security professionals should consider this vulnerability as part of a broader attack surface assessment.
Mitigation strategies for CVE-2025-2203 focus primarily on immediate remediation through plugin updates to version 3.10.2 or later, which addresses the sanitization and escaping issues. Organizations should also implement additional security measures including regular security audits, input validation enforcement, and monitoring for suspicious administrative activities. The implementation of web application firewalls and database activity monitoring can provide additional layers of protection. Security teams should conduct thorough vulnerability assessments to identify any potential exploitation attempts and ensure that all administrative accounts maintain strong authentication mechanisms including multi-factor authentication. Regular patch management processes should be enforced to prevent similar vulnerabilities from accumulating in the WordPress ecosystem.