SECURITY CIPHER · BLOG

Web Application Security

Posts from Security Cipher.

PIYUSH KUMAWAT · July 19, 2026

Web Cache Poisoning in 2026: A Practical Playbook (One Request, Every Victim)

Most web bugs hit one victim at a time. Web cache poisoning is different, and that is exactly why it is worth…

PIYUSH KUMAWAT · July 13, 2026

Hacking GraphQL APIs in 2026: Introspection, BOLA, and Batching Attacks

GraphQL is a gift to attackers. One endpoint, usually /graphql, that speaks a typed, self-describing language and will happily tell you every…

PIYUSH KUMAWAT · July 10, 2026

IDOR Hunting in 2026: A Practical Playbook for Finding Broken Access Control

IDOR is the bug that pays rent for a lot of bug bounty hunters, and it is still the one developers ship…

PIYUSH KUMAWAT · July 8, 2026

MCP Server Security (2026): A Practical Pentester’s Testing Playbook

If you are running Cursor, Claude Desktop, Windsurf, or a home-grown agent stack in 2026, you almost certainly have MCP servers in…

PIYUSH KUMAWAT · July 6, 2026

Bug Bounty Recon Workflow (2026): A Practical, Copy-Paste Playbook

A practical bug bounty recon workflow for 2026 - the exact commands for subdomains, live hosts, URLs, JS analysis and content discovery,…

PIYUSH KUMAWAT · June 30, 2026

Agentjacking: How Attackers Hijack AI Coding Agents Like Cursor and Claude

Agentjacking lets attackers hijack AI coding agents like Cursor, Claude Code and Codex via poisoned error data. Here's how it works and…

PIYUSH KUMAWAT · June 21, 2026

AutoJack: How One Web Page Can Hijack Your AI Agent and Own Your Machine

Microsoft's AutoJack shows how a single malicious web page can hijack an AI agent and run code on your machine. Here's how…

PIYUSH KUMAWAT · February 22, 2024

LLM Agents can Autonomously Hack Websites ?

Based on the research paper (https://arxiv.org/pdf/2402.06664.pdf), the study delves into the autonomous hacking capabilities of Large Language Models (LLMs), particularly focusing on…

PIYUSH KUMAWAT · August 14, 2023

Mastering WordPress Penetration Testing: A Step-by-Step Guide

In this comprehensive guide, we’ll explore various aspects of WordPress penetration testing. Starting with gathering information using tools like Wappalyzer and WPintel.…

PIYUSH KUMAWAT · August 12, 2023

Enhance WordPress Security: Comprehensive Guide

In this guide, we’ll unravel the crucial aspects of WordPress security, from user access management and update strategies to SSL implementation and…