A collection of all monthly Intigriti XSS challenges that I made writeups of. Learn a lot about Web and Cross-Site Scripting vulnerabilities

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WebXSS

Intigriti March XSS Challenge (0324)

A Cross-Site Scripting challenge from Intigriti involving prototypes without pollution, lowercase Unicode characters, and a trick to execute arbitrary JavaScript with a tiny payload.

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WebReversingXSS

Intigriti January XSS Challenge (0124)

Monthly Cross-Site Scripting (XSS) challenge involving DOM Clobbering, Prototype Pollution in Axios, and finding your own gadgets by reverse engineering minified code using Sourcemaps

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WebSQL InjectionXSSEncoding

Intigriti July XSS Challenge (0722)

A Cross-Site Scripting challenge where you need to do 2 nested SQL Injections to finally place your payload, and bypass CSP using googleapis.com

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WebXSSFilter Bypass

Intigriti May XSS Challenge (0522)

A Prototype Pollution challenge with a CVE in a jQuery plugin. Bypass a filter by setting our own options to get XSS

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WebXSS

Intigriti October XSS Challenge (1021)

An XSS challenge by Intigriti where you manipulate the DOM to fix JavaScript syntax and execute your code