CVE-2006-5252 in Webmedia Explorer
Summary
by MITRE
PHP remote file inclusion vulnerability in includes/core.lib.php in Webmedia Explorer 2.8.7 allows remote attackers to execute arbitrary PHP code via a URL in the path_include parameter.
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Analysis
by VulDB Data Team • 04/24/2026
The vulnerability identified as CVE-2006-5252 represents a critical remote file inclusion flaw in the Webmedia Explorer 2.8.7 web application, specifically within the includes/core.lib.php file. This issue falls under the category of insecure direct object references and improper input validation, creating a pathway for malicious actors to execute arbitrary code on the affected system. The vulnerability stems from the application's failure to properly validate and sanitize user-supplied input before incorporating it into file inclusion operations, allowing attackers to manipulate the path_include parameter with malicious URLs.
The technical exploitation of this vulnerability occurs when an attacker crafts a specially formatted URL and passes it as the path_include parameter to the vulnerable application. The Webmedia Explorer application then processes this input without adequate sanitization, directly incorporating the malicious URL into its file inclusion mechanism. This creates an environment where remote code execution becomes possible, as the application attempts to include and execute the contents of the attacker-controlled remote file. The flaw is particularly dangerous because it allows attackers to execute PHP code with the privileges of the web server process, potentially leading to complete system compromise.
From an operational impact perspective, this vulnerability presents a severe risk to organizations running Webmedia Explorer 2.8.7, as it enables attackers to gain unauthorized access to the underlying system. The remote code execution capability allows malicious actors to upload additional malware, establish persistent backdoors, or escalate privileges within the compromised environment. The vulnerability's remote nature means that attackers can exploit it from anywhere on the internet without requiring local access or prior authentication. This makes it particularly attractive to automated attack tools and increases the potential attack surface significantly. Organizations may face data breaches, system compromise, and potential regulatory compliance violations if this vulnerability is exploited.
The remediation approach for CVE-2006-5252 requires immediate implementation of input validation and sanitization measures within the Webmedia Explorer application. System administrators should upgrade to a patched version of Webmedia Explorer that addresses this vulnerability, as the vendor likely released a security update to prevent the inclusion of arbitrary remote files. Additionally, implementing proper parameter validation, using allowlists for acceptable file paths, and disabling remote file inclusion features in the application configuration can mitigate the risk. Security best practices such as the principle of least privilege should be enforced, ensuring that the web server operates with minimal required permissions. This vulnerability aligns with CWE-98, which describes improper validation of filename input, and represents a clear violation of the secure coding principles outlined in the OWASP Top Ten. Organizations should also consider implementing web application firewalls and monitoring for suspicious file inclusion patterns to detect potential exploitation attempts. The ATT&CK framework categorizes this vulnerability under T1190 - Exploit Public-Facing Application, highlighting the importance of proper input validation and the need for robust application security controls to prevent such remote code execution scenarios.