LFI Vulnerability Checker

Test websites for Local File Inclusion vulnerabilities by injecting payloads into URL parameters

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11,576+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how LFI Vulnerability Checker processes input data instantly inside your browser.

Sample Input CVSS Base Score: 8.8 (High), Impact Area: Remote Code Execution

Computed Result Recommended bounty payout: $5,000 - $7,500 USD

Execution Mode Client-Side In-Browser JS

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About This Tool

The LFI Checker is a security testing tool that helps identify Local File Inclusion vulnerabilities in web applications. By entering a target URL and parameter, the tool automatically generates and tests various LFI payloads to determine if the application is vulnerable to file inclusion attacks. This tool simulates real-world attack scenarios to help developers and security professionals identify and fix security flaws before they can be exploited.

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How to Use

Enter the target URL in the URL field\n
Specify the vulnerable parameter name\n
Select payload types to test\n
Click 'Test for LFI Vulnerabilities'\n
Review the results showing which payloads succeeded\n
Use the findings to secure your application

Frequently Asked Questions

Find Quick Answers

What is Local File Inclusion (LFI)?

Local File Inclusion is a web vulnerability that allows attackers to include local files on the server through improperly sanitized input parameters, potentially leading to sensitive data exposure or remote code execution.

Is this tool legal to use?

This tool should only be used on websites you own or have explicit permission to test. Unauthorized testing of websites you don't own may be illegal and unethical.

What types of payloads does the tool test?

The tool tests common LFI payloads including directory traversal (../../etc/passwd), PHP wrappers (php://filter), and file inclusion patterns to identify different vulnerability types.

Can this tool fix LFI vulnerabilities?

No, this tool only identifies potential vulnerabilities. You must implement proper input validation, use allowlists, and apply security patches to fix identified issues.

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