Ever spent hours manually fuzzing inputs or hunting for XSS, only to find out you missed a simple injection point? You're not alone. Even seasoned ethical hackers and bug bounty hunters get bogged down redoing the same manual steps. Here's the good news: with Burp Suite's automation and custom extensions, you can turn those hours into minutes — and catch vulnerabilities you'd otherwise miss.

Why Burp Suite Automation Changes the Game

Let's not sugarcoat it. Manual pentesting is powerful — but it's slow. Especially when it comes to repetitive tasks like scanning for reflected XSS, brute-forcing endpoints, or parsing cookie values for session misconfigurations. The magic of Burp Suite lies in its extensibility. With its API and BApp Store, you can automate the most tedious parts of your workflow. The result? Faster, more reliable results, and more time to focus on creative hacking.

I've lost count of how many times a clever extension has found something subtle while I was sipping coffee. The right tooling doesn't just save time, it lets you outsmart targets that expect humans to get tired.

Here's where we dive in: my handpicked list of 12 custom Burp Suite extensions — complete with how-tos and real examples — that deliver serious value for pentesters, bug bounty pros, and IT teams chasing privilege escalation or RCE.

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Photo by Esten Erbol on Unsplash

How to Get Started with Burp Suite Extensions

Before we jump into specifics, quick refresher: Burp Suite Professional and Community both support extensions, but some (especially Java-based or Pro-only plugins) need the right version. You'll want to:

  1. Open Burp Suite, then go to the Extender tab.
  2. Visit the BApp Store — loads of extensions are a click away.
  3. For custom scripts, you'll use the "Add" button and select Python, Java, or Ruby code (Jython or JRuby needed for scripting).

That's all you need to automate most of your workflow. Now, let's see what kind of magic you can pull off.

Autorize: Fast-Track Your Privilege Escalation Testing

If you're checking for IDORs (Insecure Direct Object Reference) or broken access controls, Autorize is a must-have.

What It Does

  • Automatically sends requests with different (or missing) session tokens.
  • Flags responses where restricted content is accessible.

Why It Saves Time

Instead of manually replaying requests as different users or unauthenticated, Autorize does the switcheroo for you. You can instantly spot authorization bugs.

How To Use Autorize

  1. Install from the BApp Store.
  2. Configure two session tokens: one for your regular user, one for the admin (or leave blank for guest).
  3. Browse the app — Autorize monitors and flags anomalies.

Example Workflow

Imagine you're checking a profile endpoint:

  • First, capture a request as a regular user.
  • Let Autorize replay it with your admin token and no token.
  • Response differences? You may have found an IDOR or privilege escalation flaw.
python

# Pseudocode for how Autorize handles requests:
for request in browser_history:
    for token in [user_token, admin_token, ""]:
        replay_request(request, token)
        if response_differs():
            log_issue(request, token)

The cool part? You can export findings for your report — literally saving hours.

2. Turbo Intruder: High-Speed Brute Forcing and Custom Fuzzing

Say goodbye to slow, basic Intruder attacks — Turbo Intruder is built for speed and flexibility.

What It Does

  • Fires off thousands of requests per second with custom Python logic.
  • Handles complex authentication, anti-bot measures, and non-standard workflows.

How It Helps

When you're chasing rate limits, logic bugs, or trying to brute-force parameters (think password reset tokens), speed is everything. Turbo Intruder's async engine slices through delays.

Step-by-Step Example: Fuzzing for Numeric IDOR

Suppose you want to check if a numeric parameter leaks user data:

  1. Copy target request in Burp.
  2. Send to Turbo Intruder.
  3. Use a custom Python script to loop ID values:
def queue_requests(target, wordlists):
    for i in range(1000, 1100):
        yield target.req, str(i)

def handle_response(req, interesting):
    if "username" in req.resp.text:
        interesting.append((req, req.resp.text))

You might think Intruder does this, but in practice, what really happens is Intruder gets bogged down if the server's slow or you need branching logic.

3. ActiveScan++: Enhanced Vulnerability Scanning

The built-in Burp active scanner is good, but you don't want to miss subtle SQLi, XSS, or SSRF bugs. That's where ActiveScan++ shines.

Why It's Better

  • Adds extra checks for issues like NoSQLi, advanced XSS payloads, and HTTP desync attacks.
  • Finds bugs that slip past the default scanner.

Using ActiveScan++

  1. Install it via the BApp Store.
  2. Highlight any request, right-click, and start ActiveScan++.

The plugin runs hundreds of custom test cases. I've seen it catch edge-case XSS in bug bounty targets that standard Burp missed.

4. Logger++: Real-Time Request and Response Logging

Ever tried to reconstruct a bug after the fact, only to realize your proxy history is a swamp? Logger++ to the rescue.

Features

  • Captures and stores all requests/responses with timestamps.
  • Supports custom filters, highlighting, and export.

How It Helps

Perfect for bug bounty write-ups and post-exploitation phase. You can grep through all requests for a certain string (e.g., a leaked JWT or flag).

Practical Use

  1. Install Logger++.
  2. Configure filters — e.g., only POST requests, or only responses containing "Set-Cookie".
  3. Export relevant traffic for analysis.

5. Backslash Powered Scanner: Advanced XSS/Injection Detection

If you're hunting for tricky XSS or command injection, this extension is a game changer.

Why It Works

  • Mutates input payloads using backslashes, null bytes, and other bypass tricks.
  • Detects WAF/filter evasion vectors.

Example Scan

  1. Intercept a parameterized request.
  2. Send to Backslash Powered Scanner.
  3. It'll inject a battery of payloads, like ">>img src=x onerror=alert(1)> or %00.

Results pop up in the Burp issue list — and you'll often see findings regular scanners miss.

6. J2EEScan: Automated Java-Specific Vulnerability Checks

Java web apps are everywhere in enterprise, and they come with their own class of bugs: deserialization, JMX, RCE, and more. J2EEScan brings targeted automation.

Features

  • Checks for common Java framework issues (Spring, Struts, etc).
  • Finds dangerous endpoints like /jmx-console or /invoker/JMXInvokerServlet.

Example

  1. Find a suspicious endpoint, e.g., /console.
  2. Right-click > "Scan with J2EEScan".
  3. Review flagged vulnerabilities, such as insecure deserialization.

This saves you the trouble of manual recon for every Java-specific oddity.

7. Upload Scanner: Automated File Upload Fuzzing

File uploads are a classic RCE vector, but testing them by hand can be a nightmare. Upload Scanner does the heavy lifting.

What It Does

  • Automatically submits payloads as files (PHP shells, polyglot images, etc).
  • Checks for response clues: file execution, extension bypass, error leakage.

How To Use

  1. Intercept the file upload request.
  2. Send it to Upload Scanner.
  3. Review issues: did your .php shell get through? Did a double-extension trick slip past filters?
python

# Example: List of extensions Upload Scanner tries
file_extensions = ['.jpg', '.php', '.phtml', '.jsp', '.asp', '.png;.php']

You'll spot RCE vectors and path traversal issues in minutes.

8. Param Miner: Automated Hidden Parameter Discovery

"Hidden" parameters are catnip for SSRF, IDOR, or privilege escalation bugs. But finding them by hand? Tedious. Param Miner automates discovery.

Why It Rocks

  • Injects thousands of possible parameter names into requests.
  • Sniffs for server responses that change with new parameters.

Step-by-Step

  1. Send a key endpoint (e.g., /admin) to Param Miner.
  2. Wait while it bombards the endpoint with candidates: debug=, admin=1, test=1, etc.
  3. Check the output — did any trigger new server behavior?

This technique is gold for bug bounty hunting. I once found an SSRF on a SaaS app just because Param Miner discovered an internal url parameter.

9. SAML Raider: SAML Token Tampering Made Easy

Pentesters know SAML is… fiddly. Modifying XML tokens, signing, resigning — it's awkward. SAML Raider automates the pain away.

Features

  • Edits SAML requests/responses directly in Burp.
  • Supports signing, decoding, and token tampering.

Example: Privilege Escalation via Role Tampering

  1. Intercept a SAML login token.
  2. Open SAML Raider tab.
  3. Edit the >Role> attribute to "admin".
  4. Resign the token with your key (or leave unsigned, depending on the setup).
  5. Forward the request — did access change?

SAML bugs often lead to account takeover or privilege escalation. This extension makes them accessible.

10. Request Timer: Find Performance Bottlenecks and Race Conditions

Sometimes the vulnerability isn't what's in the response — it's how fast (or slow) the server reacts. Request Timer automates timing analysis.

Why It's Useful

  • Measures request/response latency.
  • Helps spot rate limits, race conditions, or potential DoS vectors.

Typical Workflow

  1. Configure Request Timer to monitor certain endpoints.
  2. Blast the server with concurrent requests.
  3. Analyze timing — do responses slow or return 500 errors at high rates?
python

# Pseudocode: Measuring response times
for i in range(10):
    send_request(endpoint)
    record_response_time()

I've used this trick to find logic bugs where two simultaneous requests let me double-spend tokens.

11. JWT Editor: Tamper With JSON Web Tokens

Modern APIs love JWTs — but developers often bungle implementation. JWT Editor helps you decode, modify, and re-encode tokens right in Burp.

Key Features

  • Auto-decodes JWTs in intercepted requests.
  • Supports signing, key manipulation, and algorithm switching (alg=none anyone?).

Real-World Example

  1. Intercept an authenticated API request with a JWT.
  2. Open JWT Editor.
  3. Change role: "user" to role: "admin", or switch algorithm to none.
  4. Forward the request — get access you shouldn't have?

I've seen companies leave JWT secrets as "secret" (yes, really), and this extension made exploitation trivial.

12. Copy As Python-Requests: Turn Burp Requests Into Scripts Instantly

Once you find a working exploit, you'll want to automate or document it. This extension lets you copy any request as a ready-to-run Python-requests script.

How It Helps

  • Instantly replicates complex requests (headers, cookies, POST bodies).
  • Lets you build POCs for RCE, SQLi, XSS, or brute-force attacks.

Example

  1. Right-click any captured request > Copy as Python-requests.
  2. Paste into your editor:
import requests

url = "https://targetsite.com/api/v1/data"
headers = {
    "Authorization": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
    "Content-Type": "application/json",
}
data = '{"id":"1337"}'

response = requests.post(url, headers=headers, data=data)
print(response.text)

Suddenly, you've got a reliable exploit script — no manual transcription. Saves not just hours, but mistakes.

Bonus Tips: Building Your Own Burp Extensions

Sometimes, none of the BApps fit your target. That's where the Burp Extender API comes in. You can write your own in Python (Jython), Java, or Ruby.

Skeleton Python Extension

Here's a (simplified) base for a Python extension that flags reflected parameters:

from burp import IBurpExtender, IHttpListener

class BurpExtender(IBurpExtender, IHttpListener):
    def registerExtenderCallbacks(self, callbacks):
        self._callbacks = callbacks
        self._helpers = callbacks.getHelpers()
        callbacks.registerHttpListener(self)

    def processHttpMessage(self, toolFlag, messageIsRequest, messageInfo):
        if not messageIsRequest:
            response = messageInfo.getResponse()
            # Parse and check for reflection...

I've used variations of this to auto-highlight reflected XSS candidates or SSRF hints.

Wrapping Up: Automation Isn't Cheating — It's Winning Smarter

You might think automation takes the fun out of pentesting, but in practice, what really happens is you unlock more time for creative attacks. These Burp Suite extensions don't just save hours — they find bugs humans miss, make reporting a breeze, and help you scale up in bug bounty competitions.

Whether you're chasing RCE, SQLi, XSS, or privilege escalation, this arsenal of Burp Suite automations will keep you ahead of the curve. Next time you're stuck in manual testing purgatory, fire up one of these extensions and watch the magic happen.

If you've got a favorite Burp hack or want to share your best bug bounty story, drop a comment — I'm always up for swapping war stories. Happy hacking!

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