Compliance Impact

The vulnerability allows remote attackers to perform Local File Inclusion (LFI) via manipulation of the 'page' parameter in the admin panel, potentially exposing sensitive system files and application source code.

Exposure of sensitive files or unauthorized access to system resources could lead to breaches of confidentiality and integrity, which are critical requirements under standards like GDPR and HIPAA.

If exploited, this vulnerability may result in unauthorized disclosure of personal or protected health information, thereby impacting compliance with data protection regulations.

Mitigations such as input validation, whitelisting, and disabling remote inclusion are necessary to reduce the risk and maintain compliance.

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Mitigation Strategies

Immediate mitigation steps include preventing direct inclusion of user-supplied input in file system functions and restricting the `page` parameter to allowed values.

• Implement a whitelist of allowed pages that can be included, rejecting any input that does not match.
• Use PHP functions like `basename()` to strip directory paths from the `page` parameter to prevent directory traversal.
• Disable remote file inclusion by setting `allow_url_include` to `Off` in the `php.ini` configuration.
• Review and sanitize all user inputs before using them in file inclusion functions.

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Executive Summary

CVE-2026-10558 is a Local File Inclusion (LFI) vulnerability found in the SourceCodester Pizzafy Ecommerce System 1.0, specifically in the admin panel's index.php file. The vulnerability occurs because the 'page' parameter in the URL is not properly validated or sanitized before being used in a PHP include() function. This allows an attacker to manipulate the 'page' argument to traverse directories and include arbitrary files from the server.

By exploiting this, an attacker can read sensitive system files such as /etc/passwd on Linux or C:\Windows\win.ini on Windows, access application source code, or potentially execute arbitrary code if combined with other attacks like file uploads or log poisoning.

The attack is remotely exploitable by modifying the URL to include directory traversal sequences, for example: http://localhost/pizzafy/admin/index.php?page=../../../../../../etc/passwd.

Mitigation involves restricting the pages that can be included by whitelisting allowed values, sanitizing input using functions like basename(), and disabling remote file inclusion in PHP configuration.

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Impact Analysis

This vulnerability can have several impacts on your system and data security.

• Disclosure of sensitive files and information by reading arbitrary files on the server.
• Exposure of application source code, which can reveal further vulnerabilities or sensitive logic.
• Potential for Remote Code Execution (RCE) if combined with other attack vectors, allowing attackers to execute arbitrary commands on the server.
• Compromise of the integrity, confidentiality, and availability of the affected system.

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Detection Guidance

This vulnerability can be detected by testing the vulnerable endpoint for Local File Inclusion (LFI) by manipulating the `page` parameter in the URL to include directory traversal sequences.

• Use a web browser or a tool like curl to send a request to the vulnerable URL with traversal payloads, for example: `http://localhost/pizzafy/admin/index.php?page=../../../../../../etc/passwd` on Linux or `http://localhost/pizzafy/admin/index.php?page=../../../../../../windows/win.ini` on Windows.
• Observe the response for inclusion of sensitive file contents or PHP errors indicating file inclusion.
• Example curl command to test on Linux systems: `curl -i "http://localhost/pizzafy/admin/index.php?page=../../../../../../etc/passwd"`
• Example curl command to test on Windows systems: `curl -i "http://localhost/pizzafy/admin/index.php?page=../../../../../../windows/win.ini"`

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