CVE-2008-1466 in W-Agora
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in W-Agora 4.0 allow remote attackers to execute arbitrary PHP code via a URL in the bn_dir_default parameter to (1) add_user.php, (2) create_forum.php, (3) create_user.php, (4) delete_notes.php, (5) delete_user.php, (6) edit_forum.php, (7) mail_users.php, (8) moderate_notes.php, and (9) reorder_forums.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 11/19/2025
The vulnerability described in CVE-2008-1466 represents a critical remote file inclusion flaw in the W-Agora 4.0 web application, classified under CWE-88 as improper neutralization of special elements used in an expression. This vulnerability exists due to insufficient input validation and sanitization mechanisms within the application's parameter handling system, specifically affecting the bn_dir_default parameter across multiple PHP scripts. The flaw allows attackers to inject malicious URLs that are then executed by the PHP interpreter, creating a pathway for arbitrary code execution on the affected server.
The technical implementation of this vulnerability stems from the application's failure to properly validate user-supplied input before incorporating it into dynamic file inclusion operations. When users interact with the affected scripts such as add_user.php, create_forum.php, or delete_user.php, the application accepts the bn_dir_default parameter without adequate sanitization. This parameter is then used in include or require statements, enabling attackers to specify external URLs that contain malicious PHP code. The vulnerability affects nine distinct scripts within the W-Agora application, demonstrating a systemic flaw in the application's input handling architecture rather than isolated incidents.
From an operational perspective, this vulnerability presents a severe risk to affected organizations as it provides attackers with complete control over the compromised server. The remote execution capability allows adversaries to upload backdoors, exfiltrate sensitive data, or establish persistent access to the system. The impact extends beyond immediate code execution to include potential privilege escalation, lateral movement within network environments, and data breach scenarios. According to ATT&CK framework, this vulnerability maps to T1190 (Exploit Public-Facing Application) and T1059 (Command and Scripting Interpreter) techniques, as it enables attackers to exploit the application and execute malicious commands through PHP code injection.
The mitigation strategies for this vulnerability should encompass both immediate and long-term remediation approaches. Immediate fixes include implementing input validation and sanitization measures that reject or encode special characters in user-supplied parameters before they are processed. The application should employ a whitelist approach for parameter values, ensuring that only pre-approved directories or URLs are accepted. Additionally, the PHP configuration should be adjusted to disable remote file inclusion features using directives such as allow_url_fopen and allow_url_include set to off. Organizations should also implement proper web application firewall rules to detect and block malicious URL patterns targeting these specific parameters. The vulnerability highlights the importance of following secure coding practices as outlined in OWASP Top 10 and NIST guidelines for preventing injection flaws in web applications. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities across the application codebase and prevent future incidents of this nature.