Hunting Android Application Bugs Using Android Studio. 2 – A Tale of a $3k worth RCE. How I earn $500 from Razer open S3 bucket, My First RCE (Stressed Employee gets me 2x bounty), The Bug That Exposed Your PayPal Password. This is one of my interesting writeup for the vulnerability I found on one of Google’s sub domains. Unauthorized access to all the user’s account. I performed initial recon on the Microsoft domains and gathered some sub domains. How I Bypassed open redirect and i have get reward from yandex, Create hidden comment by blocking an Admin: Facebook Bug Bounty 2020, Bug Bounty in Lockdown (SQLi and Business Logic), Exploiting Bitdefender Antivirus: RCE from any website, Leveraging an SSRF to leak a secret API key, How i was able to chain bugs and gain access to internal okta instance, It took me only 5 minutes to find an RCE on Bentley, Simple story of some complicated XSS on Facebook, How did i find information Disclosure on Facebook-Writeup, An Interesting Account Takeover Vulnerability, Hacking Starbucks and Accessing Nearly 100 Million Customer Records, From Recon to Bypassing MFA Implementation in OWA by Using EWS Misconfiguration, One Token to leak them all : The story of a $8000 NPM_TOKEN, Replying on LiveStream leading to Page Admin Disclosure: Facebook Bug Bounty, Bug bounty bout report 0x01 - WebRTC edition, How I made more than $30K with Jolokia CVEs, How I managed to Escalate privilege as admin, How I was able to buy t-shirt for €1 — Payment Price Manipulation, All *.intercom.help subdomains vulnerable to Subdomain Takeover from intercom Service, Business logic flaw in the invitation system allows to Takeover any account at a private company, How to Secure AWS ServerLess Lambda from ReDoS(Regular Expression Denial-of-Service) & Resultant Financial Impact, Privilege escalation in Partners Portal to Admin access, Disclose internal files related to testing of some Facebook tools, Disclose the Instagram account linked to a Facebook user account or page, RACE Condition vulnerability found in bug-bounty program, Account Takeover via OTP Bruteforce (Apigee API), DoS and BugBounties :A series of DoS attacks on HackerOne, Let’s Bypass CSRF Protection & Password Confirmation to Takeover Victim Accounts :D, Race Conditions - Exploring the Possibilities, Privilege Escalation by Changing HTTP Response (Admin Access), Bachrudin Ashari Pujakusuma (@Bachrudinashari), Utilizing Lockdown: Blind Sqli leads to Account Takeover & Data Extraction, Abusing Microsoft Teams rate limiting for DDoS. {“uid”: “1234567890”}. #BugBounty — How I was able to bypass firewall to get RCE and then went from server shell to get root user account! Bypassing the Current Password Protection at PayPal TechSupport Portal, Google Bug: Posting on groups as any user’s behalf, Whatsapp user’s IP disclosure with Link Preview feature, Ribose — IDOR with Simple CSRF Bypass — Unrestricted Changes and Deletion to other Photo Profile, How I Get the Name of the Hotel (and other Data) that you ever Stay - Personal Data Leaks: Private Bug Bounty Program, IDOR (at Private Bug Bounty Program) that could Leads to Personal Data Leaks, Spoof an user to create a description of a group in Flickr, #SecurityBreach — ”How I was able to book hotel room for 1.50₹!”, How I hacked companies related to the crypto currency and earned $60,000, Hijacking User’s Private Information access_token from Microsoft Office360 facebook App, Source Code Analysis in YSurvey — Luminate bug, Piercing the veil: Server Side Request Forgery to NIPRNet access, Reflected XSS on www.zomato.com By Mustafa Hasan, How I caught Multiple vulnerabilities in Udemy.com, But not rewarded for serious XSS vulnerability :(, Directory Listing To Sensitive Files Exposure, Facebook BugBounty: Intercept incoming friend requests of Victim add/accept to your facebook account, My Best Small Report Bounty Report in Private Program ( Django REST framework Admin Login ByPass ). Exploiting Insecure Cross Origin Resource Sharing ( CORS ) | api.artsy.net, Subdomain Takeover Through Expired Cloudfront Distribution, How I Was Able To View Private Tweets Of Any Private Twitter Account. Researching Polymorphic Images for XSS on Google Scholar, [Bug Bounty Writeups] Exploiting SQL Injection Vulnerability, Stealing the Trello token by abusing a cross-iframe XSS on the Butler Plugin, Indirect UXSS issue on a private Android target app, Recon to Sensitive Information Disclosure in Minutes, Private giant chat app – Send message to victim while sender blocked, Piercing the Veal: Short Stories to Read with Friends, Beware of the GIF: Account Takeover Vulnerability in Microsoft Teams, From Recon to P1 (Critical) — An Easy Win, Misconfigured WordPress takeover to Remote Code Execution, Exploiting a Race Condition Vulnerability. Sending Message as page being an analyst/ advertiser? PDFReacter SSRF to ROOT Level Local File Read which led to RCE, How I was able to Bypass XSS Protection on HackerOne’s Private Program, Banner Grabbing to DoS and Memory Corruption, How i found credential enriched redis dump, Just 5 minute to get my 2nd stored XSS on Edmodo.com, How I gained access to revenue and traffic data of thousands of Shopify stores, Web Cache Deception to API endpoint attack using cached token header, [RCE] Remote code execution at api.PrivateProgram.com (CVE-2017-5638), Unauthenticated Account Takeover Through HTTP Leak. GraphQL Introspection leads to Sensitive Data Disclosure. Go Pro, get Bugs! Using Burp Suite match and replace settings to escalate your user privileges and find hidden features, Parameter Pollution issue in API resulting $XXX, Bypassing XSS filter and Stealing User Payment Data. Bug Bounty Awarded. Hacking Slack using postMessage and WebSocket-reconnect to steal your precious token, How I got your phone number through Facebook, How I was able to remove your Instagram Phone number, From RSS to XXE: feed parsing on Hootsuite. CVE-2019-17004—Semi Universal XSS affecting Firefox for iOS, Attacking HelpDesks Part 1: RCE Chain on DeskPro, with Bitdefender as a Case Study, Executing scripts in Safari Reader Mode to CSP Bypass, Exploiting magic links, critical bugs are one line away, 1st Bug Bounty Write-Up — Open Redirect Vulnerability on Login Page, Getting lucky in bug bounty — shamelessly profiting off of other’s work, Account Takeover Flow In Mail.ru ‘s Ext.A Domain [ $150 ], Exploitation of the CVE-2018-15961 – Unrestricted File Upload in Adobe ColdFusion, XSS WAF & Character limitation bypass like a boss, Remote Image Upload Leads to RCE (Inject Malicious Code to PHP-GD Image), EN | Administrator level Privilege Escalation story, Reflected XSS on microsoft.com subdomains, Hacking — Always Check the Cross-domain Policy, XXE-scape through the front door: circumventing the firewall with HTTP request smuggling. Chain The Bugs to Pwn an Organisation ( LFI + Unrestricted File Upload = Remote Code Execution ), XSS Vulnerabilities in Multiple iFrame Busters Affecting Top Tier Sites, Vertical escalation of privileges Leading to Sensitive Data Exposure, User Account takeover in India’s largest digital business company, IDOR User Account Takeover By Connecting My Facebook Account with victims Account, Persistent Cross-Site Scripting on redacted worth $2,000, How I hijacked your account when you opened my cat picture, Hacking your own antivirus for fun and profit (Safe browsing gone wrong), Reflected DOM XSS and CLICKJACKING on https://silvergoldbull.de/bt.html, Open-Redirect Vulnerability in udacity.com, How to do 55.000+ Subdomain Takeover in a Blink of an Eye, Authentication Bypass Using SQL Injection AutoTrader Webmail – Bug Bounty POC, Stored XSS Vulnerability in H1C Private site, Making the Facebook app more secure - $8500 bounty, ZOL Zimbabwe Authentication Bypass to XSS & SQLi Vulnerability – Bug Bounty POC, How I find Open-Redirect Vulnerability in redacted.com (One of the top online payment processing service website), Disclosure of Facebook Page Admin due to insecure tagging behavior, SQL Injection Vulnerability bootcamp.nutanix.com | Bug Bounty POC, Bypassing Hotstar Premium with DOM manipulation and some JavaScript, RCE Unsecure Jenkins Instance | Bug Bounty POC, Write-up - Love story, from closed as informative to $3,500 USD, XSS stored in Yahoo! How was i able to find privilege escalation. CORS bug on GOOGLE’s 404 page REWARDED!!! How I bypassed 2fa in a 3 years old private program! Internal path disclosure in Instagram server. Samsung S20 - RCE via Samsung Galaxy Store App, GitHub Pages - Multiple RCEs via insecure Kramdown configuration - $25,000 Bounty, Back to 2019: Disclosure Employers PII and Credentials, GitHub Gist - Account takeover via open redirect - $10,000 Bounty, GitHub - RCE via git option injection (almost) - $20,000 Bounty, Disclose Emails, phone numbers, more For Facebook users who tried to add funds to their account. I hope this write-up inspires people not to overlook small issues while scrolling aimlessly through Facebook and also while testing it. Unrestricted API calls as Messenger Rooms Guest. Accidental IDOR that Deleted Admin Account. If you ignore him you will lose many…, Address bar spoofing in Firefox Lite for Android …and the idiocy that followed. Filter Bypass to Reflected XSS on https://finance.yahoo.com (mobile version). Where is my Train : Tracking to Hacking ! Since 2011, Facebook has operated a bug bounty program in which external researchers help improve the security and privacy of Facebook products and systems by reporting potential security vulnerabilities to us. Publisher. An unreproducable bug due to the load balancer, an unusual Open Redirect bug. From Copy&Paste XSS To Full Account Takeover! How I leveraged an interesting CSRF vulnerability to turn self XSS into a persistent attack? How I made my first $$$ from finding a bug in Facebook, How I upgraded my privileges to the administrator of Odnoklassniki’s url shortener, Facebook Bug Bounty: Reading WhatsApp contacts list without unlocking the device, U.S. Department of Defense - Info Disclosure and SQLi Writeup, Removing profile pictures for any Facebook user, Add users to roles on Facebook pages without an invitation consent (revisited). Microsoft Bug Bounty Writeup – Stored XSS Vulnerability; Bigbasket Bug Bounty Writeup; BBC Bug Bounty Write-up | XSS Vulnerability; $3133.7 Google Bug Bounty Writeup- XSS Vulnerability! See whether a Hackercup Facebook participant allows recruitment contact, Exploiting Application Logic to Referral Code Disclosure, Global grant uri in Android 8.0-9.0 (2018 year), From N/A to Resolved For BackBlaze Android App[Hackerone Platform] Bucket Takeover, How I found 10 Remote Code Execution in 10 minutes CVE-2020–5902, Free blockchain storage – Tale of a bug in Substrate’s FRAME runtime, How i was able to bypass Email Confirm — P4, Issue 1040755: Security: Another “universal” XSS via copy&paste, My First Bug: Blind SSRF Through Profile Picture Upload, Case Study I - Browser Anomaly with Facebook Apps -1500$, Taking Over Files in a chat —IDOR in Microsoft Teams, From Host Header injection to SQL injection, Daoud Youssef / smacker dodi (@daoud_youssef), Why I paid 3.5K to become a TLD registrar reseller when doing bug bounty, BBC Bug Bounty Write-up | XSS Vulnerability, EN | Account Takeover and Sensitive Data Leakage via CORS Misconfiguration, [Writeup][Bug Bounty][Tokopedia] Manipulate Other User’s Cart and Wishlist on Tokopedia [EN], Muhammad Thomas Fadhila Yahya (@fadhilthomas), Breaking Business Logic via Coupons — The Story of my 1st Valid Bug Bounty, How i got 200$ with an out of the box open redirect vulnerability, Price Tampering due to Improper checks on applying Coupon. Bypassing Authentication Using Javascript Debugger. The vulnerability was found by Pethuraj, he is a security researcher from INDIA, and shared the write-up with us.. Google has acknowledge him and rewarded with $3133.7. When your privacy disclosure is a “feature” not a “bug” – Badoo & HotorNot failure! SQL injection for $50 bounty, but still worth reading!! Finding a security bug in Discord and what it taught me, CORS Misconfiguration to Account TakeOver [Out of scope to grab items In-Scope], Exploiting padding oracles with fixed IVs, Disable Any Unconfirmed Account in Facebook, 700$ Denial of Service(DoS) vulnerability in script-loader.php (CVE-2018-6389), How I paid 2$ for a 1054$ XSS bug + 20 chars blind XSS payloads, Subdomain Takeover via Campaignmonitor.com, How I could delete Facebook Ask for Recommendations post’s place objects in comments, Broken session management leads to bypass 2FA and Permanent access to Facebook user’s, Disclose the owner of a recruiting manager in Jobs Beta, XSS in GMail’s AMP4Email via DOM Clobbering, This is How I was able to hunt a rare bug in a private program. Directly `` reply '' the quoted… ], a long Overdue write-up: I! 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