CVE-2010-4609 in Html-edit
Summary
by MITRE
SQL injection vulnerability in index.php in Html-edit CMS 3.1.8 allows remote attackers to execute arbitrary SQL commands via the nuser parameter in a registrate action.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 06/11/2025
The vulnerability identified as CVE-2010-4609 represents a critical sql injection flaw within the Html-edit Content Management System version 3.1.8. This security weakness specifically affects the index.php script and manifests when processing user input through the nuser parameter during a registrate action. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into sql query constructions. This allows malicious actors to inject crafted sql payloads that bypass normal authentication and authorization controls, potentially enabling full database compromise and unauthorized access to sensitive information.
The technical exploitation of this vulnerability occurs through the manipulation of the nuser parameter within the registrate action context. When a user attempts to register within the cms system, the application processes the nuser input without proper sanitization, creating a direct pathway for sql injection attacks. Attackers can construct malicious payloads that manipulate the underlying sql queries to extract database schemas, retrieve user credentials, modify or delete records, or even escalate privileges within the application environment. This vulnerability directly maps to CWE-89 which categorizes sql injection as a fundamental weakness in input validation and data handling practices.
The operational impact of CVE-2010-4609 extends beyond simple data theft to encompass complete system compromise and potential lateral movement within network environments. Successful exploitation can result in unauthorized access to user accounts, data exfiltration, modification of website content, and establishment of persistent backdoors. The vulnerability affects the authentication and registration functionality of the cms, making it particularly dangerous as it can be exploited by both authenticated and unauthenticated attackers. This weakness creates a significant risk for organizations relying on Html-edit CMS 3.1.8, as it undermines the fundamental security controls designed to protect user data and system integrity.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and parameterized query construction techniques. Organizations should apply the official security patch released by the Html-edit CMS developers to address this specific sql injection flaw. Additionally, implementing web application firewalls with sql injection detection capabilities, enforcing strict input filtering and sanitization, and conducting regular security assessments can significantly reduce exploitation risks. The remediation process should also include disabling unnecessary database privileges for web applications, implementing proper error handling to prevent information leakage, and establishing comprehensive monitoring systems to detect suspicious database access patterns. This vulnerability demonstrates the critical importance of following secure coding practices and adhering to established security frameworks such as those outlined in the owasp top ten and mitre attack framework, particularly in addressing the persistent threat of sql injection attacks that continue to represent one of the most prevalent and dangerous vulnerabilities in web applications.