--- title: "Breaking Down DOM-based XSS: A Practical Exploration" url: https://daily.dev/posts/breaking-down-dom-based-xss-a-practical-exploration-289xnliur source_url: https://medium.com/@osamaavvan/breaking-down-dom-based-xss-a-practical-exploration-929d44f10906 type: article source: "Medium" published: 2024-05-12T11:06:43.843Z updated: 2024-05-12T11:06:41.949Z tags: ["security", "webdev", "javascript", "vulnerability"] reading_time: 2 upvotes: 9 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Breaking Down DOM-based XSS: A Practical Exploration **[Medium](https://daily.dev/sources/medium_js)** · 2 min read · 9 upvotes · 0 comments ## Summary This post explores DOM-based XSS and explains how to hunt for it through source code analysis of client-side JavaScript. It discusses a vulnerability that allows for DOM-based XSS attacks by mishandling user inputs retrieved from URL parameters. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#webdev](https://daily.dev/tags/webdev), [#javascript](https://daily.dev/tags/javascript), [#vulnerability](https://daily.dev/tags/vulnerability) [View this post on daily.dev](https://daily.dev/posts/breaking-down-dom-based-xss-a-practical-exploration-289xnliur)