Every Single Day A Write-up

This repository contains bunch of write-ups that I read every single day. It won't be a challenge and I will keep this repo updated as long as possible. I'm open to write-up suggestions via Twitter DM: Barış Yıldızoğlu 🖤

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Day	Article	Category
1	BigQuery SQL Injection Cheat Sheet	SQL Injection
2	How I made $10K in bug bounties from GitHub secret leaks	Sensitive Data Exposure
3	How I could take over any Account on a USA Department of Defense Website due to a simple IDOR	IDOR
4	My first bounty, IDOR + Self XSS [€3000]	IDOR
5	Fuzzing + IDOR = Admin TakeOver	IDOR
6	Accidental IDOR in eLearnSecurity to Knowing Your Address and Cert You Bought	IDOR
7	How I got $500 with Open redirect	Open Redirect
8	Finding Gem in Someone’s Report: Instant $500USD at HackerOne Platform	Information Disclosure
9	All about Multi-factor Authentication security Bypass	Authentication Bypass
10	How I was able to find multiple vulnerabilities of a Symfony Web Framework web application	Sensitive Data Exposure
11	SQL injection in harvard subdomain	SQL Injection
12	[BugBounty] Sleeping stored Google XSS Awakens a $5000 Bounty	Cross-site Scripting
13	Just Gopher It: Escalating a Blind SSRF to RCE for $15k — Yahoo Mail	SSRF
14	4300$ Instagram IDOR Bug (2022)	IDOR
15	A 7500$ Google sites IDOR	IDOR
16	Blind XSS in Google Analytics Admin Panel — $3133.70	Cross-site Scripting
17	Some critical vulnerabilities found with passive analysis on bug bounty programs explained	Information Disclosure
18	Finding bugs on Chess.com	Security Misconfiguration
19	Disclosing privately shared gaming clips of any user	IDOR
20	[ Directory Traversal attack ] How did I find it using GitHub	Directory Traversal
21	[WRITE-UP] Facebook page admin disclosure by "Create doc" button (Bounty: 5000 USD)	Information Disclosure
22	How Did I Leak 5.2k Customer Data From a Large Company?	Broken Access Control
23	One company: 262 bugs, 100% acceptance, 2.57 priority, millions of user details saved.	Mixed
24	Critical SSRF on Evernote	SSRF
25	Exploiting a double-edged SSRF for server and client-side impact	SSRF
26	How a YouTube Video lead to pwning a web application via SQL Injection worth $4324 bounty	SQL Injection
27	HTTP Request Smuggling on business.apple.com	HTTP Request Smuggling
28	$8,000 Bug Bounty Highlight: XSS to RCE in the Opera Browser	Cross-site Scripting
29	Bypass Apple Corp SSO on Apple Admin Panel	IDOR
30	A Less Known Attack Vector, Second Order IDOR Attacks	IDOR
31	Mass Assignment Exploitation In The Wild	IDOR
32	How I was able to bypass Open Redirection Protection	Open Redirect
33	Open-redirect to Account Takeover	Open Redirect
34	How I hacked worldwide Tiktok users	IDOR
35	The $16,000 Dev Mistake	Information Disclosure
36	Multiple bugs chained to takeover Facebook Accounts which uses Gmail	Cross-site Scripting
37	The easiest bug bounties I have ever won	IDOR
38	The bug that allowed me to take over any student's or teacher's account	Cross-site Scripting
39	Accidental Observation to Critical IDOR	IDOR
40	How I found an IDOR issue in 5 mins	IDOR
41	How an Open Redirection Leads to an Account Takeover	Open Redirect
42	How I found a Critical Bug in Instagram and Got 49500$ Bounty From Facebook	IDOR
43	A little open redirect bypass story	Open Redirect
44	SQL injection for $50 bounty, but still worth reading	SQL Injection
45	SQL Injection in Forget Password Function	SQL Injection
46	Exploiting SQL Injection at Authorization token	SQL Injection
47	Abusing URL Shortners for fun and profit	IDOR
48	An interesting idor that allowed me to See all projects	IDOR
49	A swag for a Open Redirect — Google Dork — Bug Bounty	Open Redirect
50	I mean, IDOR is NOT only about others ID	IDOR
51	PII Disclosure of Apple Users ($10k)	IDOR
52	Another day, Another IDOR vulnerability— $5000 Reddit Bug Bounty	IDOR
53	Google Cloud Shell - Command Injection	OS Injection
54	How I earned a $6000 bug bounty from Cloudflare	LFI
55	Digging JS files to find BUGs	IDOR
56	Elasticsearch A Easy Win For Bug Bounty Hunters	Information Disclosure
57	Story of a really cool SSRF bug	SSRF
58	6k$ Worth Account Takeover via IDOR in Starbucks Singapore	IDOR
59	API based IDOR to leaking Private IP address of 6000 businesses	IDOR
60	How an Open Redirection Leads to an Account Takeover?	Open Redirect
61	Break the Logic: Insecure Parameters (€300)	Business Logic
62	Break the Logic: 5 Different Perspectives in Single Page (€1500)	Broken Access Control
63	Hacking 6.5+ million websites => CVE-2022-29455	Cross-site Scripting
64	How I found my first RCE!	Remote Code Execution
65	Unsubscribe any user’s e-mail notifications via IDOR	IDOR
66	Reading Message from Microsoft’s Private Yammer Group	Broken Access Control
67	IDOR at Login function leads to leak user’s PII data	IDOR
68	How I was able to see other users Payments in a travel application” — IDOR #800$	IDOR
69	How I found my first SSRF to RCE!	SSRF
70	A business Logic issue worth $1500	Business Logic
71	An Out Of Scope domain Leads To a Critical Bug[$1500]	Broken Access Control
72	Hacking Facebook Pages	Broken Access Control
73	Bug bounty write-up: From SSRF to $4000	SSRF
74	IDOR In JWT and The Shortest Token You Will Ever See	IDOR
75	$1800 Bounty -IDOR in Ticket Support Chat on Cryptocurrency Web	IDOR
76	HUNT for SQL Injection- The Smart Way!	SQL Injection
77	1st Bounty Story Rewarded 300$ (IDOR)	IDOR
78	Disclose Private Dashboard Chart's name and data in Facebook Analytics	IDOR
79	Watch out the links : Account takeover	Security Misconfiguration
80	Access control worth $2000	IDOR
81	Open redirect using theme install	Open Redirect
82	How I found an SSRF ( Reconnaissance )	SSRF
83	How I Found Multiple SQL Injections in 5 Minutes in Bug Bounty	SQL Injection
84	Hacking Chess.com and Accessing 50 Million Customer Records	Broken Access Control
85	My Bug Bounty Journey and My First Critical Bug — Time Based Blind SQL Injection	SQL Injection
86	$5000 Google IDOR Vulnerability Writeup	IDOR
87	How I abused the file upload function to get a high severity vulnerability in Bug Bounty	Information Disclosure
88	IDOR “Insecure direct object references”, my first P1 in Bugbounty	IDOR
89	How I found an IDOR Worth $1500	IDOR
90	7,500$ – IDOR on Apple	IDOR
91	First Bug in Bugcrowd Using Github Dork	Information Disclosure
92	IDOR in GraphQL Query Leaking Private Photos of a Million $ App	IDOR
93	Exploits Explained: 5 Unusual Authentication Bypass Techniques	Authentication Bypass
94	Microsoft bug bounty writeup	Information Disclosure
95	Google VRP — [Insecure Direct Object Reference] $3133.70	IDOR
96	HOW A SLOW INTERNET, GOT ME 50$	Race Condition
97	A $500+ Open Redirect Bounty in Under 10 Minutes	Open Redirect
98	$1,000+ P1: PII Disclosure W/ IDOR	IDOR
99	Weird Vulnerabilities Happening on Load Balancers, Shallow Copies and Caches	Security Misconfiguration
100	Duplicate on CSRF → Account Takeover	CSRF
101	Improper Access Control — My Third Finding on Hackerone!	Broken Access Control
102	Get Blind XSS within 5 Minutes — $100	Cross-site Scripting
103	Blind account takeover	Account Takeover
104	IDOR on Unsubscribe emails to $200 bounty.	IDOR
105	The Bug That Allowed Me To Take Over Any Student's or Teacher's Account.	Cross-site Scripting
106	Story of a $1k bounty — SSRF to leaking access token and other sensitive information	SSRF
107	Chaining Path Traversal with SSRF to disclose internal git repo data in a Bank Asset	SSRF
108	From LFI to RCE!!	LFI
109	MY FIRST ACCOUNT TAKEOVER	Account Takeover
110	Second Order XXE Exploitation	XXE
111	$250 for Email account enumeration using “NameToMail” tool	Broken Access Control
112	CSRF leads to account takeover in Yahoo!	CSRF
113	SSRF leads to access AWS metadata	SSRF
114	IDOR allows updating user profiles, leading to full account takeover. Part 02	IDOR
115	How these IDOR vulnerability earned 5000$	IDOR
116	My First Bug In Bugcrowd Platform	Race Condition
117	PII data exfiltration within minutes	Information Disclosure
118	IDOR and API-keys🔑Token Hardcode Exposed	IDOR
119	How I found my first RCE? A simple one…	File Upload
120	Directory Traversal Vulnerability in Huawei HG255s Products	Directory Traversal
121	$500 in 5 minutes	Broken Access Control
122	RCE on admin panel of web3 website	Remote Code Execution
123	Doing it the researcher’s way: How I Managed to Get SSTI which lead to arbitrary file reading on One of the Leading Payment Systems in Asia	SSTI
124	My report on how the admin panel took over and I got X	Cross-site Scripting
125	Interesting Privilege Escalation In an Old Private Program	Broken Access Control
126	How a Simple CSRF Attack Turned into a P1 Level Bug	CSRF
127	How I Could Compromise 4% (Locked) Instagram Accounts	IDOR
128	Bug Bounty Reflected XSS Exploitation Tips for beginners	Cross-site Scripting
129	How I Pwned 10 Admin Panels and got rewarded 8000$+	Information Disclosure
130	My First Bug Bounty Reward : $100 in 5 min	Information Disclosure
131	The easiest way I used to bypass an admin panel	Broken Access Control
132	How I found XSS on Admin Page without login!	Cross-site Scripting
133	My very first bug: a dreaded dupe and then an IDOR jackpot!	IDOR
134	Add description to Instagram Posts on behalf of other users - 6500$	IDOR
135	How I was able to compromise user account via HTTP Parameter Pollution	HTTP Parameter Pollution
136	The 100+ Million Person Data Disclosure	IDOR
137	IDOR leading to Privilege Escalation	IDOR
138	Full Account Take Over by very simple trick	Broken Access Control
139	XSS in Host Header	Cross-site Scripting
140	How I Earned My First Bounty by Securing my Favorite Cyber Security YouTuber’s Website	Information Disclosure
141	How a single quote (‘) may potentially destruct one of a biggest public transportation business	SQL Injection
142	IDOR To Delete Hall Of Fame Page	IDOR
143	SQL Injection in The HTTP Custom Header	SQL Injection
144	Unveiling a Bug: Paying $1 and Receiving $100 (or Any Amount) in Return	Business Logic Vulnerability
145	Account Take Over Vulnerability in Google acquisition	CSRF
146	An IDOR lead joins any group makes me $2,500	IDOR
147	My first Bounty Worth $$$$	CSRF
148	[TR] Bulduğum Price Manipulation of Products zafiyeti	Business Logic Vulnerability
149	IDOR ON EVERYWHERE	IDOR
150	Webinar Pro or Not: The $500 Access Control Bug	Broken Access Control
151	My $1000 Bounty Bug: How I Stopped Companies from Losing Money with an IDOR Flaw	IDOR
152	Google VRP -[IDOR] Deleted Victim Data & Leaked	IDOR
153	Default Credentials, P1 with $$$$ Reward in a Bug Bounty Program	Improper Authentication
154	Budget Change: IDOR 1000$ Bug	IDOR
155	How can I obtain a $2k bounty solely based on curiosity?	Broken Access Control
156	How I Found SQL Injection worth of $4,000 bounty	SQL Injection
157	How i found an Stored XSS on Google Books	Cross-site Scripting
158	A Big company Admin Panel takeover $4500	Broken Access Control
159	The Unexpected “0” Master ID for Account Data Manipulation	Broken Access Control
160	Weird Email Verification Bypass	Logic Flaw
161	Waybackurls leads to pwned Admin Panel	Sensitive Data Exposure
162	My first and simple ATO in a private program	Broken Access Control
163	1200$ IDOR Flaw: Allow Attacker To Approve Project Time Tracking	IDOR
164	Business Logic Errors Can Be Your First Bug	Logic Flaw
165	Hunting for Hidden Treasures: Unveiling the 403 Bypass Bug Bounty Adventure	Information Disclosure
166	I received a Bank offer in my mailbox and discovered an IDOR vulnerability - $5,000 bounty	IDOR
167	Getting email address of any HackerOne user worth $7,500	Information Disclosure
168	My First Bug for 300$	Broken Access Control
169	SQL Injection Attack : On An AI Website $$$ Bounty in just an hour.	SQL Injection
170	Reverse Search IDOR approach to Exposure of all Organizational Sensitive Information	IDOR
171	One Bug at a Time: I failed my quiz on purpose to get $1,000!	IDOR
172	Account takeover of any user through password reset functionality	Broken Authentication
173	How Automation Detected Default Admin Credential Worth $500	Broken Authentication
174	IDOR Vulnerability that exposed 17 Million user data	IDOR
175	My first bugs in 2024	Cross-site Scripting
176	1200 $ Email verification Bypass from P4 to P2	Broken Access Control
177	Unauthorized Admin Account Access via Google Authentication	Improper Authentication
178	Response Manipulation Lead To Premium Feature By Normal User Reward of $500	Broken Access Control
179	How We Hacked Voice Communication Solutions Company And Found BAC + Info Disclosure + IDOR	Broken Access Control
180	Privilege Escalation to Admin through an Import Feature	Broken Access Control
181	How i Found Credentials from an Empty File	Information Disclosure
182	How i Find Database Credentials via Mass Recon & Recon Scoping on Gcash	Information Disclosure
183	How One Bug Scored Me Double Rewards!	Information Disclosure
184	How a Port scan got me Nokia Hall of Fame	Information Disclosure
185	How I Secured Personal Information (PII) of 5.17M Electricity Consumers	IDOR
186	How i’ve found : ( IDOR + XSS ) = all USERS account takeover :) ?	IDOR + Cross-site Scripting
187	New 100$ Bug in My Methodology!	Improper Input Validation
188	Email Verification Bypass Worth $$$	IDOR
189	$1000: How I could have Hack any account and become a billionaire overnight	Race Condition
190	From Long-Term Hacking to Instant Rewards: Finding SQLi in 3 Minutes Worth $3125	SQL Injection
191	Authentication Bypass due to Sensitive Data Exposure in Local Storage	Broken Authentication
192	My first P2 that Lead to Full PII Exposure	IDOR
193	How I found IDOR in NASA	IDOR
194	How I Earned My Place Among Ferrari’s Elite-16 in the Hall of Fame	Sensitive Information Disclosure
195	Story of a 1000$ Open Redirect	Open Redirect
196	How I Got My First €€€€ Bounty	SQL Injection
197	Privilege Escalation: How I Earned $500 by Discovering the Ability to Delete Documents as a Student	IDOR
198	How Did I Easily Find Stored XSS at Apple And Earn $5000 ?	Cross-site Scripting
199	API Information Disclosure Leading to Admin Account Takeover	Information Disclosure
200	Simple Bugs — Buying Everything for Free	Business Logic Errors
201	PII at Your Fingertips: How I Stumbled Upon an Easy-to-Find Data Leakage Vulnerability	Information Disclosure
202	Bypass WAF by a simple trick gained $1000 bounty	Business Logic Errors
203	API based IDOR to leaking Private IP address of 6000 businesses	IDOR
204	How I Found a Critical Vulnerability and Earned $4,000 in Bug Bounty Hunting	IDOR