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Crlfi

This is a tool used by several security researchers to find Carriage Return Line Feed Injection Bug

Install / Use

/learn @Cappricio-Securities/Crlfi
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

<div align="center"> <img src="https://blogs.cappriciosec.com/uploaders/tools-banner.png" alt="logo"> </div>

Badges

MIT License PyPI - Version PyPI - Downloads GitHub all releases <a href="https://github.com/Cappricio-Securities/crlfi/releases/"><img src="https://img.shields.io/github/release/Cappricio-Securities/crlfi"></a>Profile_view Follow Twitter

<p align="center"> <p align="center">

License

MIT

Installation

  1. Install Python3 and pip Instructions Here (If you can't figure this out, you shouldn't really be using this)

    • Install via pip
      •    pip install crlfi
        
    • Run bellow command to check
      • crlfi -h

Configurations

  1. We integrated with the Telegram API to receive instant notifications for vulnerability detection.

Usages

  1. This tool has multiple use cases.

    • To Check Single URL
      •    crlfi -u http://example.com 
        
    • To Check List of URL
      •   crlfi -i urls.txt 
        
    • Save output into TXT file
      •   crlfi -i urls.txt -o out.txt
        
    • Want to Learn about crlfi? Then Type Below command
      •   crlfi -b
        
<p align="center"> <b>🚨 Disclaimer</b> </p> <p align="center"> <b>This tool is created for security bug identification and assistance; Cappricio Securities is not liable for any illegal use. Use responsibly within legal and ethical boundaries. 🔐🛡️</b></p>

Working PoC Video

asciicast

Help menu

Get all items

👋 Hey Hacker
                                v1.0
   __________  __    __________
  / ____/ __ \/ /   / ____/  _/
 / /   / /_/ / /   / /_   / /
/ /___/ _, _/ /___/ __/ _/ /
\____/_/ |_/_____/_/   /___/

                                Developed By https://cappriciosec.com


crlfi : Bug scanner for WebPentesters and Bugbounty Hunters 

$ crlfi [option]

Usage: crlfi [options]

| Argument | Type | Description | Examples | | :-------- | :------- | :------------------------- | :------------------------- | | -u | --url | URL to scan | crlfi -u https://target.com | | -i | --input | filename Read input from txt | crlfi -i target.txt | | -o | --output | filename Write output in txt file | crlfi -i target.txt -o output.txt | | -c | --chatid | Creating Telegram Notification | crlfi --chatid yourid | | -b | --blog | To Read about crlfi Bug | crlfi -b | | -h | --help | Help Menu | crlfi -h |

🔗 Links

Website linkedin twitter

Author

Feedback

If you have any feedback, please reach out to us at contact@karthithehacker.com

View on GitHub
GitHub Stars5
CategoryEducation
Updated3mo ago
Forks0

Languages

Python

Security Score

90/100

Audited on Jan 9, 2026

No findings