DOM XSS using web messages and a JavaScript URL

PortSwigger Web Security Academy lab: DOM XSS using web messages and a JavaScript URL. Topic: DOM-based Vulnerabilities.

DOM XSS using web messages and a JavaScript URL

$ tldr PortSwigger · DOM-based Vulnerabilities

·	·
Platform	PortSwigger Web Security Academy
Topic	DOM-based Vulnerabilities
Difficulty	PRACTITIONER
Official lab	Open

Solve the lab

Language	Author	Format	Link
🇬🇧 EN	PortSwigger	Texto	Open

Resources by skill

Skill	Source	Link
Cross-Site Scripting (XSS)	HackTricks	Open
Cross-Site Scripting (XSS)	PortSwigger	Open

Related skills

Cross-Site Scripting (XSS)

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Last updated: 2026-05-08