CVE-2006-5302 in Redaction System
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Redaction System 1.0000 allow remote attackers to execute arbitrary PHP code via a URL in the (1) lang_prefix parameter to (a) conn.php, (b) sesscheck.php, (c) wap/conn.php, or (d) wap/sesscheck.php, or the (2) lang parameter to (e) index.php.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 04/24/2026
The CVE-2006-5302 vulnerability represents a critical remote file inclusion flaw affecting the Redaction System 1.0000 web application. This vulnerability resides in the application's handling of user-supplied input parameters that are directly incorporated into file inclusion operations. The flaw manifests in multiple locations within the application's codebase, specifically targeting the lang_prefix parameter in four distinct files including conn.php, sesscheck.php, and their respective wap versions, as well as the lang parameter in index.php. These locations represent common entry points where user input is processed and subsequently used to construct file paths for inclusion operations.
The technical implementation of this vulnerability stems from the application's insecure programming practices where user-controllable parameters are directly concatenated into file inclusion statements without proper validation or sanitization. When an attacker supplies a malicious URL in any of the vulnerable parameters, the application processes this input and attempts to include the specified remote file, effectively executing arbitrary PHP code on the target server. This type of vulnerability falls under the CWE-88 category for Argument Injection and the CWE-94 category for Code Injection, representing a fundamental breakdown in input validation and secure coding practices. The vulnerability operates at the application layer and can be exploited through standard HTTP requests without requiring authentication or special privileges.
The operational impact of CVE-2006-5302 is severe and potentially catastrophic for affected systems. Attackers can leverage this vulnerability to execute arbitrary code on the target server, potentially gaining full administrative control over the web application and underlying system. The remote nature of the exploit means that attackers can perform these operations from anywhere on the internet, making the vulnerability particularly dangerous. This vulnerability directly maps to the ATT&CK technique T1190 for Exploit Public-Facing Application, which targets vulnerabilities in web applications to establish initial access. The compromise can lead to data theft, system infiltration, and potential lateral movement within the network. Organizations running the Redaction System 1.0000 are at significant risk of unauthorized access and potential complete system compromise.
Mitigation strategies for CVE-2006-5302 require immediate action to address the root cause of the vulnerability. The primary remediation involves implementing strict input validation and sanitization for all user-supplied parameters that are used in file inclusion operations. This includes removing the ability for external URLs to be specified in these parameters, implementing whitelisting of valid language files, and ensuring that all file inclusion operations use predefined, static paths rather than dynamic user input. Organizations should also implement proper parameter validation and avoid using user-supplied data directly in include or require statements. The vulnerability aligns with the ATT&CK technique T1210 for Exploitation of Remote Services, emphasizing the need for proper input validation and secure coding practices. Additionally, implementing web application firewalls and regular security audits can help detect and prevent exploitation attempts, while keeping the application updated with the latest security patches remains the most effective long-term solution.