Install Node.js and npm (https://www.npmjs.com/get-npm) or (sudo apt install npm)
Download this repo files or (git clone https://github.com/RenwaX23/XSSTRON)
cd XSSTRON
npm install
npm start
Some users using Debian/Ubuntu might not able to run the tool as i think it's an issue with Electron itself, you can continue using the app in Window/OSX and Linux installed on Windows. Check Known Issues
Just browse the web like a normal web browser then it will automatically look for XSS vulns in background and show them in a new window with POC
Some users in certain linux distributions get into some problems try these
Kali/Debian users this fixes installation:
sudo apt install npm
sudo npm install -g electron --unsafe-perm=true --allow-root
cd XSSTRON
sudo npm install
electron . --no-sandbox
"devDependencies": {
"electron": "^10"
},
Failed to serialize arguments is known issue and might be fixed soon :)