hacktricks/pentesting-web/xs-search/javascript-execution-xs-leak.md

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JavaScript Execution XS Leak

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{% endhint %} ```javascript // Code that will try ${guess} as flag (need rest of the server code app.get('/guessing', function(req, res) { let guess = req.query.guess let page = `<html> <head> </head>

hello2

</html>` res.send(page) }); ``` Main page that generates iframes to the previous `/guessing` page to test each possibility ```html <html> <head>

</head>

hello

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