Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted web sites. XSS attacks occur when an attacker uses a web application …

There are three main types of XSS attacks: Stored XSS, Reflected XSS, and DOM-based XSS. This page provides a comprehensive collection of XSS payloads for each type, including advanced and …

The definitive XSS payload directory, featuring a comprehensive and categorized cheat sheet with hundreds of verified payloads for ethical hackers and security researchers.

Interactive cross-site scripting (XSS) cheat sheet for 2026, brought to you by PortSwigger. Actively maintained, and regularly updated with new vectors.

Feb 26, 2025 · This XSS cheat sheet provides a comprehensive guide covering concepts, payloads, prevention strategies, and tools to understand and defend against XSS attacks effectively.

📚 What is XSS? Cross-Site Scripting (XSS) occurs when an application includes untrusted data in a new web page without proper validation or escaping.

Stored/Persistent XSS - As it name implies, a stored XSS attack is when the malicious XSS code is injected to the web application and is stored on the persistent storage which the application implements.

Payloads Delve in to the payload database. A fine collection of payloads collected, categorized and sorted just for you. Library Search the library for specific topics, or just read some random stuff. …

Jan 17, 2025 · Cross-Site Scripting (XSS) vulnerabilities continue to be one of the most common security challenges faced by web applications. This post provides a collection of XSS payloads for …

Mar 26, 2025 · Instead of simply reporting an XSS with an alert payload, aim to capture valuable data, such as payment information, personal identifiable information (PII), session cookies, or credentials. …