This cross-site scripting (XSS) cheat sheet contains many vectors that can help you bypass WAFs and filters. You can select vectors by the event, tag or browser and a proof of concept is included for …

May 9, 2025 · Running over 140,000 security checks, Intruder scans your systems for weaknesses such as cross-site scripting (XSS), SQL injection, missing patches, misconfigurations, and more.

Learn how to test and exploit Cross-Site Scripting (XSS) vulnerabilities including detection, attack vectors and bypass techniques.

May 17, 2024 · Proof of Concept — <script>alert (‘XSS’);</script> The goal with this is to see if we can simply achieve XSS on a website. This is usually done by causing an alert box to pop up on a...

When trying to exploit a XSS the first thing you need to know if where is your input being reflected. Depending on the context, you will be able to execute arbitrary JS code on different ways.

This cheat sheet demonstrates that input filtering is an incomplete defense for XSS by supplying testers with a series of XSS attacks that can bypass certain XSS defensive filters.

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 …

Dec 15, 2025 · In this section we'll go through two example pages that are vulnerable to an XSS attack. In this example, suppose the website for the user's bank is my-bank.example.com. The user is …

Jul 3, 2025 · Cross-Site Scripting (XSS) represents one of the most prevalent and dangerous vulnerabilities in modern web applications. Understanding XSS is crucial for developers who want to …

Feb 26, 2025 · XSS is a vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. These scripts can steal cookies, perform actions on behalf of users, or …