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Abhinav Singwal

Finding Vulnerabilities in Websites | Cybersecurity | Penetration testing | API Pentesting | Open to Work

Location Meerut, India Joined Joined on  Email address abhinavsingwal@gmail.com Personal website https://linktr.ee/abhinavsingwal github website twitter website

Work

Freelance

Finding Weak Input Validation in Address Fields
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Finding Weak Input Validation in Address Fields

#backend #webdev #django #cybersecurity
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1 min read

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When an API Key Lives in Local Storage: A Subtle but Risky Pattern
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When an API Key Lives in Local Storage: A Subtle but Risky Pattern

#apikey #backend #developer #cybersecurity
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2 min read
When Internal Admin Panels and Config Files Are Publicly Accessible
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When Internal Admin Panels and Config Files Are Publicly Accessible

#adminpanel #admin #dashboard #cybersecurity
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2 min read
Finding 100+ Public Log Files & SQL Dumps: What It Taught Me About Security
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Finding 100+ Public Log Files & SQL Dumps: What It Taught Me About Security

#webdev #backend #cybersecurity #javascript
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2 min read
Input Validation Issue in a User Profile Feature
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Input Validation Issue in a User Profile Feature

#webdev #backend #javascript #cybersecurity
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2 min read
Exploring an Unrestricted API Access Issue in a Booking System
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Exploring an Unrestricted API Access Issue in a Booking System

#webdev #api #backend #javascript
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2 min read
Self XSS Vulnerability in a Rich Text Editor
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Self XSS Vulnerability in a Rich Text Editor

#selfxss #xss #texteditor
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3 min read
Advanced DOM XSS Patterns Every Developer Should Know
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Advanced DOM XSS Patterns Every Developer Should Know

#webdev #javascript #react #html
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3 min read
Understanding Vertical BOLA in APIs
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Understanding Vertical BOLA in APIs

#bola #verticalbola #api #cybersecurity
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3 min read
Why Most Website Data Leaks Happen Even When Login Is Working
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Why Most Website Data Leaks Happen Even When Login Is Working

#api #cybersecurity #apisecurity
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3 min read
Your API Might Be Leaking Customer Data (Even If Login Is Secure)
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Your API Might Be Leaking Customer Data (Even If Login Is Secure)

#api #bola #apisecurity
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2 min read
How a Simple “Upload by Link” Feature Can Hack Your Own Servers
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How a Simple “Upload by Link” Feature Can Hack Your Own Servers

#api #serverissues #ssrf #apissrf
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2 min read
A Silent Website Killer: SSRF Bugs in APIs
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A Silent Website Killer: SSRF Bugs in APIs

#ssrf #api #apivulnerability
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3 min read
Why BOLA Is #1 in OWASP API Top 10
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Why BOLA Is #1 in OWASP API Top 10

#bugbounty #cybersecurity #bola #owasp
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3 min read
Authentication vs Object Authorization: The API Security Mistake Everyone Makes
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Authentication vs Object Authorization: The API Security Mistake Everyone Makes

#authentication #apiauthorization #apiauthentication #apipentesting
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3 min read
What BOLA Really Means in APIs (And Why UI Authorization Is Not Security)
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What BOLA Really Means in APIs (And Why UI Authorization Is Not Security)

#bola #cybersecurity #api #apipentesting
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3 min read
Understanding APIs Beyond the Textbook: A Bug Hunter’s Perspective
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Understanding APIs Beyond the Textbook: A Bug Hunter’s Perspective

#apisecurity #bugbounty #webdev #pentesting
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2 min read
BugBoard: A Centralized Dashboard for Bug Bounty Hunters & Security Researchers
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BugBoard: A Centralized Dashboard for Bug Bounty Hunters & Security Researchers

#bugboard #yogsec #cybersecurity #bughunter
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3 min read
DorkTerm: A Simple Tool That Makes Websites Safer
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DorkTerm: A Simple Tool That Makes Websites Safer

#dorkterm #cybersecuritytool #cybersecurity #yogsec
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2 min read
One-Liner Bug Bounty CheatSheet
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One-Liner Bug Bounty CheatSheet

#bugbounty #bugbountycheatsheet #onelinersbugbounty #cybersecurity
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53 min read
CVE-2025-5419 - Google Chrome V8 Engine Out-of-Bounds Read/Write Vulnerability
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CVE-2025-5419 - Google Chrome V8 Engine Out-of-Bounds Read/Write Vulnerability

#cve20255419 #cybersecurity #cve #googlechrome
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9 min read
CVE-2026-0831 - Arbitrary File Write Vulnerability in WordPress Templately Plugin
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CVE-2026-0831 - Arbitrary File Write Vulnerability in WordPress Templately Plugin

#cve20260831 #cve #wordpress #wordpresspluginvulnerability
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12 min read
CVE-2026-0629 - TP-Link Camera Authentication Bypass Vulnerability
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CVE-2026-0629 - TP-Link Camera Authentication Bypass Vulnerability

#cve20260629 #cve #tplink #cybersecurity
5
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11 min read
CVE-2026-21268 - Adobe Dreamweaver Input Validation Vulnerability
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CVE-2026-21268 - Adobe Dreamweaver Input Validation Vulnerability

#cve2026212268 #cve #adobe #adobedreamweaver
5
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11 min read
CVE-2026-0594 - Reflected Cross-Site Scripting (XSS) in WordPress
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CVE-2026-0594 - Reflected Cross-Site Scripting (XSS) in WordPress

#cve20260594 #cve #wordpress #wordpressxss
5
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10 min read
CVE-2026-0712 - Grafana Open Redirect Leading to Cross-Site Scripting (XSS) Vulnerability
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CVE-2026-0712 - Grafana Open Redirect Leading to Cross-Site Scripting (XSS) Vulnerability

#cve20260712 #cve #cybersecurity #grafana
5
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9 min read
Understanding WordPress Architecture for Pentesters
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Understanding WordPress Architecture for Pentesters

#wordpress #website #webdev #webtesting
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2 min read
Scam Alert!
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Scam Alert!

#fraud #yogsec
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1 min read
Best Hacking Tools for Bug Bounty & Penetration Testing | A Complete Open-Source Collection (Updated Guide)
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Best Hacking Tools for Bug Bounty & Penetration Testing | A Complete Open-Source Collection (Updated Guide)

#cybersecurity #ethicalhacking #bugbounty #kalilinux
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1 min read
Can My Ex Still See My Photos After I Deleted Them?
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Can My Ex Still See My Photos After I Deleted Them?

#photos #privacy #yogsec #pics
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1 min read
How a Blog Lost All Its Data in One Night
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How a Blog Lost All Its Data in One Night

#webdev #website #websitesecurity #yogsec
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1 min read
What is YogSec?
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What is YogSec?

#yogsec #websitesecurity #wordpresssecurity #yogsecwebsitesecurity
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1 min read
Case Study: How a Small Shop’s Website Got Hacked and How It Was Saved
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Case Study: How a Small Shop’s Website Got Hacked and How It Was Saved

#websitesecurity #xss #website #webdev
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1 min read
Case Study: How a Small WordPress Blog Almost Lost Everything
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Case Study: How a Small WordPress Blog Almost Lost Everything

#websitehacked #websitehack #website #websitesecurity
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1 min read
SQL Injection - The Silent Break-In You Didn’t Know About
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SQL Injection - The Silent Break-In You Didn’t Know About

#sqlinjection #website #websitehacked #websitesecurity
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2 min read
Who is Abhinav Singwal?
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Who is Abhinav Singwal?

#abhinavsingwal #yogsec #abhinavsinghal #yogsecabhinavsingwal
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1 min read
Found a CORS Misconfiguration on a Live Website
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Found a CORS Misconfiguration on a Live Website

#website #wordpress #web3 #websitesecurity
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1 min read
Real Case Study: How I Found a Photo Exposure Bug on a Website
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Real Case Study: How I Found a Photo Exposure Bug on a Website

#yogsec #websitesecurity #website #websitehacked
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1 min read
How to Install and Use Virtualenv on Linux
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How to Install and Use Virtualenv on Linux

#python #virtualenv #virtualenvironment #pythonvirtualenvironment
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1 min read
Get a Free Privacy Check, See What You're Exposing Online
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Get a Free Privacy Check, See What You're Exposing Online

#privacy #digitalsafety #yogsec #onlinesafety
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1 min read
Introducing BugBoard - An Open Source Dashboard for Bug Bounty Hunters
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Introducing BugBoard - An Open Source Dashboard for Bug Bounty Hunters

#bughunters #ethicalhackers #yogsec #bugboard
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1 min read
This Google trick shows exposed backups of websites
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This Google trick shows exposed backups of websites

#safety #yogsec
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1 min read
How to Secure Your Website from Cyber Threats
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How to Secure Your Website from Cyber Threats

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2 min read
Essential Tips to Secure Your WordPress Website
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Essential Tips to Secure Your WordPress Website

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3 min read
Bug Bounty One-Liner Cheat Codes & Cheatsheet
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Bug Bounty One-Liner Cheat Codes & Cheatsheet

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2 min read
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