Executive Summary

This vulnerability is an Unrestricted Upload of File with Dangerous Type in Innorix WP. It allows an attacker to upload a web shell to the web server if the "exam" directory exists under the product installation directory. This means malicious files can be uploaded without proper restrictions, potentially leading to unauthorized control over the server.

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Impact Analysis

The vulnerability can lead to an attacker gaining unauthorized access to the web server by uploading a web shell. This can result in compromise of the server's confidentiality and integrity, allowing the attacker to execute arbitrary code or commands, potentially leading to data breaches or further attacks.

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Detection Guidance

This vulnerability can be detected by checking if the "exam" directory exists under the Innorix WP installation directory (e.g., innorix/exam) and by scanning for unauthorized web shell files uploaded to the web server. Commands to detect this may include searching for suspicious files in the "exam" directory using commands like `find /path/to/innorix/exam -type f -name '*.php'` or other web shell file extensions. Additionally, monitoring web server logs for unusual POST requests to the "exam" directory can help identify exploitation attempts.

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Mitigation Strategies

Immediate mitigation steps include removing or restricting access to the "exam" directory under the Innorix WP installation, disabling file uploads to this directory, and applying strict validation and filtering on uploaded files to prevent dangerous file types. Additionally, monitoring and blocking suspicious upload attempts and applying any available patches or updates from the vendor are recommended.

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