CVE-2025-15067 in Innorix
Summary
by MITRE • 12/29/2025
Unrestricted Upload of File with Dangerous Type vulnerability in Innorix Innorix WP allows Upload a Web Shell to a Web Server.This issue affects Innorix WP from All versions If the "exam" directory exists under the directory where the product is installed (ex: innorix/exam)
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Analysis
by VulDB Data Team • 12/29/2025
This vulnerability represents a critical security flaw in the Innorix WP web application that enables unauthorized remote code execution through unrestricted file upload capabilities. The vulnerability specifically affects all versions of Innorix WP where an "exam" directory exists within the application installation path, creating a persistent attack surface for malicious actors. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly restrict file types during upload operations, allowing attackers to bypass security controls and deploy malicious web shells to the target server. This vulnerability directly maps to CWE-434, which describes the dangerous upload of file type that allows arbitrary code execution, and aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. The presence of the "exam" directory creates a predictable upload endpoint that attackers can target without requiring additional reconnaissance, making this vulnerability particularly dangerous as it provides a straightforward path to system compromise. The impact extends beyond simple file upload, as successful exploitation enables attackers to execute arbitrary code with the privileges of the web server process, potentially leading to full system compromise and lateral movement within the network infrastructure.
The technical implementation of this vulnerability exploits the application's failure to enforce strict file type validation during the upload process. When users attempt to upload files to the "exam" directory, the system does not properly verify file extensions, MIME types, or file contents against a whitelist of acceptable formats. This lack of proper validation allows attackers to upload malicious files with extensions such as .php, .jsp, or other server-side script files that can execute code on the web server. The vulnerability becomes particularly severe when combined with the predictable directory structure, as attackers can directly target the upload endpoint without needing to discover additional paths or directories. The web shell upload capability provides attackers with persistent access to the compromised system, enabling them to perform reconnaissance, establish backdoors, and maintain long-term control over the affected server. This type of vulnerability often results in data breaches, system compromise, and can serve as a foothold for broader network infiltration attacks.
The operational impact of this vulnerability extends far beyond immediate code execution capabilities, as it fundamentally undermines the security posture of any system running affected versions of Innorix WP. Organizations using this software face significant risk of unauthorized access, data exfiltration, and potential regulatory compliance violations due to the exposure of sensitive information through compromised web applications. The vulnerability's persistence across all versions of the software means that organizations cannot simply upgrade to avoid the issue, but must implement immediate mitigations to protect their systems. Attackers can leverage this vulnerability to establish persistent command and control channels, deploy additional malware, or use the compromised server as a launch point for attacks against other systems within the network. The attack surface is further expanded by the fact that many organizations may not regularly monitor or secure their web application upload directories, creating additional opportunities for exploitation. This vulnerability directly affects the confidentiality, integrity, and availability of organizational data, potentially resulting in financial losses, reputational damage, and legal consequences. The risk is compounded by the fact that web shells can remain undetected for extended periods, allowing attackers to maintain access while conducting reconnaissance and data harvesting activities.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements to prevent similar issues from occurring in the future. Organizations should implement strict file type validation and sanitization mechanisms that enforce whitelisting of acceptable file extensions and MIME types, ensuring that only safe file formats can be uploaded to the system. The "exam" directory should be secured through proper access controls, authentication requirements, and removal of unnecessary upload capabilities when not required for legitimate functionality. Network segmentation and monitoring should be implemented to detect suspicious upload activities and unauthorized file access patterns that may indicate exploitation attempts. Regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities in other web applications. The implementation of web application firewalls and file integrity monitoring systems can provide additional layers of protection against unauthorized file uploads and malicious code execution. Organizations should also establish incident response procedures specifically designed to handle web shell infections and ensure that system administrators are trained to identify and respond to exploitation attempts. This vulnerability serves as a critical reminder of the importance of secure coding practices, particularly around input validation and file handling, and demonstrates the necessity of comprehensive security testing throughout the software development lifecycle to prevent such dangerous vulnerabilities from reaching production environments.