CVE-2006-5527 in InteliEditor
Summary
by MITRE
PHP remote file inclusion vulnerability in lib.editor.inc.php in Intelimen InteliEditor 1.2.x allows remote attackers to execute arbitrary PHP code via a URL in the sys_path parameter.
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Analysis
by VulDB Data Team • 04/25/2026
The vulnerability identified as CVE-2006-5527 represents a critical remote file inclusion flaw within the Intelimen InteliEditor 1.2.x web application. This vulnerability exists in the lib.editor.inc.php file where the sys_path parameter is improperly validated, allowing malicious actors to inject arbitrary URLs that can be executed on the target server. The flaw stems from the application's failure to properly sanitize user input before incorporating it into file inclusion operations, creating an avenue for remote code execution attacks.
This vulnerability falls under the CWE-98 category of Improper Input Validation, specifically manifesting as a remote file inclusion issue that enables attackers to load and execute malicious PHP code from remote servers. The technical implementation of this flaw allows an attacker to manipulate the sys_path parameter through HTTP requests, bypassing normal access controls and potentially gaining full administrative privileges over the affected system. The vulnerability is particularly dangerous because it operates at the core of the application's file handling mechanisms, where legitimate file operations are mixed with user-controllable input streams.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with persistent access to the target system. Once exploited, attackers can upload additional malicious files, establish backdoors, or conduct further reconnaissance activities within the network. The vulnerability affects all versions of Intelimen InteliEditor 1.2.x, making it a widespread concern for organizations that have not updated their systems. This type of vulnerability aligns with ATT&CK technique T1190 for exploitation of remote services and T1059 for execution through command and scripting interpreter, demonstrating how remote file inclusion can serve as a foundational attack vector for broader compromise operations.
Organizations should immediately implement mitigations including input validation and sanitization of all user-controllable parameters, particularly those used in file inclusion operations. The recommended approach involves disabling remote file inclusion features entirely, implementing strict whitelisting of acceptable file paths, and ensuring all user inputs are properly escaped before processing. System administrators should also consider implementing web application firewalls to detect and block malicious requests targeting this vulnerability. Additionally, regular security audits and vulnerability assessments should be conducted to identify similar flaws in other web applications, as this vulnerability type remains prevalent in legacy systems and underscores the importance of secure coding practices. The vulnerability serves as a reminder of the critical need for proper input validation and the dangers of allowing user-controllable data to influence system operations, particularly in file handling contexts where the consequences can be severe and far-reaching.