20Comprehensive Browser Extensions You Can’t Miss as a Bug Bounty Hunter
1. VPN: Essential for Privacy and Security
A VPN (Virtual Private Network) is a must-have extension for bug bounty hunters, offering essential protection and privacy while conducting research. It ensures your online activities are encrypted, masking your real IP address and securing your data from potential hackers or prying eyes. This is especially important when accessing different networks or browsing potentially vulnerable websites. A VPN also bypasses geographical restrictions, providing a broader range of testing environments. Whether doing recon or testing web apps from different locations, a VPN keeps your identity anonymous and your research secure.
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2. Cookie Extractor & Editor: Uncover and Modify Cookie Vulnerabilities
The Cookie Extractor & Editor combo is an essential toolset for bug bounty hunters focused on session security and cookie management. The Cookie Extractor allows you to extract cookies from web applications, revealing critical data like session IDs and authentication tokens. This is crucial for identifying vulnerabilities such as session hijacking, fixation, or improper cookie handling.
The Cookie Editor, on the other hand, lets you modify cookies directly within your browser. It’s a valuable tool for testing how web applications respond to different cookie values or configurations. By manipulating cookies, you can uncover security flaws related to insecure cookie storage, weak validation, or missing encryption. Together, these tools help you fully assess a web application’s cookie security and find hidden vulnerabilities.
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3. Temporary Email Service: Boost Your Efficiency with Disposable Mail
A Temporary Email Service is a must-have tool for bug bounty hunters who need a quick and anonymous way to receive emails without exposing your personal inbox. These services let you generate disposable email addresses on the fly, streamlining your workflow by keeping everything within your browser. You won’t have to constantly switch tabs or worry about unwanted spam or managing multiple accounts. With a temporary email, you can easily sign up for services, receive verification emails, or access content without leaving a trace or cluttering your main inbox.
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4. HacksTool: All-in-One Web Browser Extension for Security Testing
HacksTool is a powerful web browser extension that consolidates a wide range of security testing tools in one place. It includes various payloads, useful Linux and PowerShell commands, TTY shell commands, basic XSS payloads, and much more. This tool simplifies the process for security researchers by providing quick access to essential commands and payloads needed for penetration testing and vulnerability analysis, making your bug hunting more efficient.
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5. WayBackMachine: A Key Tool for Historical Web Analysis
The WayBackMachine browser extension is an invaluable resource for bug bounty hunters, enabling you to access archived versions of web pages and track website changes over time. With this tool, you can explore old URLs, view sitemaps, and examine collections and word clouds. By providing a historical snapshot of websites, the WayBackMachine extension allows you to analyze both past and present versions of web pages, helping you uncover potential vulnerabilities and conduct more thorough security assessments.
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6. Freedium Extension: Bypass Paywalls for Unrestricted Access
The Freedium Extension is a game-changer for security researchers and penetration testers who frequently read articles on platforms like Medium. Many of these articles are behind paywalls, but with the Freedium extension, you can effortlessly bypass the restrictions and access paid content for free. This tool ensures that you can read all the crucial articles, saving time and providing valuable insights without any subscription barriers.
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7. Link Extraction & Bulk URL Opening Tools: Enhance Your Bug Bounty Efficiency
Link Gopher:
When conducting bug bounty research, extracting all the links from a webpage is crucial for thorough testing. Link Gopher allows you to quickly gather all the links from a webpage with just one click. This helps you identify important parameters, check for redirections, analyze the functionality of different parts of the site, and test the overall behavior of a webpage. By simplifying the extraction process, it saves valuable time, allowing you to focus on testing and finding vulnerabilities.
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Bulk URL Opener:
After gathering a large number of targeted links for security testing, opening them one by one can be time-consuming and tedious. Bulk URL Opener streamlines this process by enabling you to open multiple links at once, all in new tabs with just one click. This tool is particularly useful for bulk testing, allowing you to quickly test multiple URLs and perform more efficient security assessments.
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Link Grabber is another excellent tool for extracting links from a webpage. Unlike basic link extractors, it also allows you to gather internal and external links, including images, scripts, and other resources on the page. It’s especially useful for auditing a site’s structure, dependencies, and external connections. With Link Grabber, you can filter links based on various criteria, enabling more targeted and effective security testing.
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8. Technology Profilers: Uncover the Tech Stack Behind a Website
A Technology Profiler is an essential tool for bug bounty hunters, designed to gather in-depth information about the technologies, frameworks, and software running on a target website or application. By scanning the site, it identifies key components like server software, CMS, plugins, libraries, and more. This insight into the site’s tech stack helps you understand the potential attack surface, identify weak points, and target your testing efforts more effectively. Think of it as a digital investigator that reveals the tech secrets of a website, aiding your bug hunting process.
Here are some top Technology Profiler extensions:
Wappalyzer: A popular tool that identifies technologies used on websites, including CMSs, e-commerce platforms, JavaScript
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BuiltWith: Provides a detailed breakdown of the technologies a website uses, from analytics tools to hosting providers and JavaScript libraries.
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WhatRuns: A simple yet powerful extension that identifies the technologies, plugins, and services running on any website. It’s great for discovering frameworks, CMS, and advertising networks.
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9. TruffleHog: Discover Exposed Secrets in Source Code
TruffleHog is a powerful tool designed to search for sensitive information — such as API keys, passwords, and other secrets — that may be accidentally exposed in source code repositories. For bug bounty hunters, it’s an invaluable resource for identifying potential vulnerabilities by revealing hidden secrets that could be exploited by attackers. TruffleHog scans through code to detect hardcoded credentials or other sensitive data, which could serve as entry points for malicious actors. By using this tool, you can significantly enhance your vulnerability assessments and penetration testing efforts, ensuring no critical information is overlooked.
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10. JS Beautifier: Format Messy JavaScript Code with Ease
While bug hunting in web applications, it’s common to come across unformatted, messy JavaScript files. Normally, you’d have to copy and paste the code into another website or use a code editor to reformat it, but switching between tabs or programs can be inconvenient. JS Beautifier is a browser extension that streamlines this process by allowing you to beautify and format the JavaScript code directly in the browser where the file exists. This eliminates the need for unnecessary tab-switching, saving you time and effort as you analyze code for potential vulnerabilities.
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11.Shodan Extension: The “Search Engine for Hackers” at Your Fingertips
Shodan is a powerful tool often referred to as the “search engine for hackers.” The Shodan Extension brings this capability directly to your browser, allowing you to quickly access valuable insights about any website or IP address you visit. With this extension, you can easily view a server’s open ports, services, and potential vulnerabilities, helping you identify weak spots and gather important information for security assessments. Whether you’re conducting reconnaissance or in-depth vulnerability testing, the Shodan Extension makes it faster and easier to uncover critical server details.
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12 HTTP Header Analyzer
This extension allows you to inspect HTTP headers, which are critical for identifying security misconfigurations like improper CORS policies, security headers (or lack thereof), and other vulnerabilities.
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13 FoxyProxy
Helps in managing proxy configurations, particularly useful if you’re switching between different proxies (e.g., Burp Suite, ZAP, etc.) during testing.
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14.Retire.js: Identify Vulnerable JavaScript Libraries in Your Browser
Retire.js is a browser extension designed to detect JavaScript libraries with known vulnerabilities in real-time. This tool is perfect for security researchers looking to identify outdated or insecure libraries that could be exploited by attackers. By scanning the libraries used on a webpage, Retire.js helps you quickly pinpoint potential security risks, ensuring that you’re always aware of vulnerable components during your testing and assessments.
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15 PwnFox: Streamline Burp Suite Testing with Selective Traffic Routing
PwnFox is a browser extension tailored for Burp Suite users, designed to simplify the testing process. It allows you to route only specific traffic through Burp Suite, while leaving the rest of your browsing unaffected. This selective routing makes it easier to focus your testing efforts on targeted areas without interrupting your regular browsing activity. It’s an excellent tool for more efficient and precise web application security assessments.
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16 Postman: API Development and Testing Made Easy
Postman is a powerful tool for API development and testing. It allows you to send requests, analyze responses, and automate tests with an intuitive interface. Ideal for bug bounty hunters and security researchers, Postman simplifies API testing and helps identify vulnerabilities in endpoints.
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17 uBlock Origin: Optimize Your Pentesting Workflow with Ad Blocking and Content Filtering
uBlock Origin is a free, open-source browser extension that offers robust content filtering, including ad blocking. For penetration testers, it’s an essential tool to minimize distractions, speed up testing, and enhance focus by blocking intrusive ads, trackers, and potential malicious scripts that could interfere with your assessments. By streamlining your browsing environment, uBlock Origin ensures a cleaner and more secure web experience during security testing.
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18. Hunter.io Extension: Streamline Social Engineering Reconnaissance
Hunter.io Extension allows penetration testers to quickly find and verify email addresses associated with a specific domain. This is particularly useful for social engineering reconnaissance, as it helps identify key contacts within an organization. By gathering email addresses tied to a domain, Hunter.io makes it easier to target the right individuals for phishing or other social engineering tactics during your security assessments.
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19. Cache Killer: Always Test Fresh Content
Cache Killer automatically clears your browser’s cache every time you load a page, ensuring you’re always working with the most up-to-date content. This tool is essential for penetration testers who need to verify changes, avoid cached data, and ensure that their tests reflect the latest version of a site or application.
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20. Email Extract: Effortlessly Gather Emails and Export Data
The Email Extract extension allows you to automatically collect email addresses from the pages you visit and even bypass some obfuscation techniques. It can search for emails on major search engines like Google and Bing, and seamlessly export the gathered data to Excel (XLSX) with proper data types for easy handling.
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21.Sputnik — OSINT Web Extension: Effortless Searching with Open Source Intelligence
Sputnik is an OSINT extension that allows you to quickly search IPs, Domains, File Hashes, and URLs using free Open Source Intelligence resources. With a simple right-click on text, links, images, or videos, you can instantly search and access relevant OSINT tools. In most cases, you’ll be redirected straight to the results, and for tools requiring user interaction, such as captchas, the artifact will be saved to your clipboard, allowing you to submit it manually. Usage: Select the artifact (text, link, audio, image, or video) and right-click to search with the appropriate OSINT tool. You’ll be directed to the search results immediately in most cases, and if captchas are required, the artifact will be saved to your clipboard and you’ll be directed to the submission page.
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