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express-sanitized-escaped
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npm install express-sanitize-escape
Place this directly after all express.use(bodyParser) middlewares and before any express middleware that accesses query or body parameters, e.g.:
var bodyParser = require('body-parser');
var express = require('express');
var expressSanitized = require('express-sanitize-escape');
app.use(bodyParser.urlencoded);
app.use(bodyParser.json);
app.use(expressSanitized.middleware()); // this line follows app.use(bodyParser.json) or the last body parser middleware
The above sanitizes req.body
and req.query
. In order to sanitize req.params
as well, pass in an express router or app to expressSanitized.sanitizeParams
,
along with the names of the params to sanitize, e.g.:
var express = require('express');
var expressSanitized = require('express-sanitize-escape');
var router = express.router();
expressSanitized.sanitizeParams(router, ['id','name']);
router.get('/:id', function(req, res, next)
{
// req.params.id is now sanitized.
...
});
router.get('/:name', function(req, res, next)
{
// req.params.name is now sanitized.
...
});
The string
'<script>document.write('cookie monster')</script> download now'
will be sanitized to ' download now'.
and
< > ' " &
will be escaped to < > ' " &
This is a basic implementation of Caja-HTML-Sanitizer with the specific purpose of mitigating against persistent XSS risks. And node-htmlencode to escape all html entities
This module trusts the dependencies to provide basic persistent XSS risk mitigation. A user of this package should review all packages and make their own decision on security and fitness for purpose.
This module was inspired by express-sanitizer and express-sanitized. The difference here is: This middleware automatically sanitizes post and query values parameter. And automatically html escapes all strings.
exports.middleware so app.use(expressSanitized())
is now app.use(expressSanitized.middleware())
expressSanitized.htmlDecodeBody()
Copyright (c) 2016 Finger Food Studios justin@fingerfoodstudios.com, MIT License
FAQs
Express middleware for the sanitizer module using Caja's HTML Sanitizer and HTML escape using htmlencode. Forked from express-sanitize-escape as the original package is no longer maintained
The npm package express-sanitized-escaped receives a total of 37 weekly downloads. As such, express-sanitized-escaped popularity was classified as not popular.
We found that express-sanitized-escaped demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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