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10 Best JavaScript XSS Libraries

List hand-picked by Openbase Experts
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dom

dompurify

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

3M
10.3K
DefinitelyTyped
(MPL-2.0 OR Apache-2.0)
express-validator

express-validator

An express.js middleware for validator.js.

478K
5.7K
Built-in
MIT
ctd

csp-typed-directives

Provides type information for all CSP directives and related headers' directives; as well as a basic utility funtion that helps convert the typed properties to key/values of each header content's policy string.

1.1K
3
Built-in
MIT
helmet-csp

helmet-csp

Help secure Express apps with various HTTP headers

638K
9.3K
Built-in
MIT
x-xss-protection

x-xss-protection

Help secure Express apps with various HTTP headers

636K
9.3K
Built-in
MIT
xf

xss-filters

Secure XSS Filters - Just sufficient output filtering to prevent XSS!

74.8K
DefinitelyTyped
xc

xss-clean

Middleware to sanitize user input

25.3K
65
No support
MIT
es

express-sanitizer

An express.js middleware for node-validator

8.3K
45
No support
MIT
showdown-xss-filter

showdown-xss-filter

XSS filter for the Showdown markdown converter

7.5K
30
No support
MIT
secure-filters

secure-filters

Anti-XSS Security Filters for EJS and More

1.3K
136
No support
BSD-3-Clause
es

express-sanitized

An express.js middleware for sanitizing all query and body parameters automatically

425
6
DefinitelyTyped
MIT
ep

ember-purify

Purify your html content before marking it safe

265
17
No support
MIT
xa

xss-advanced

Node.js Connect middleware to sanitize user input coming from POST body, GET queries, and url params. Works with Express

252
3
Built-in
MIT
np

node-procexss

Middleware to help to prevent xss attacks in your Express/Connect apps

230
5
No support
MIT
xss

xsslint

Find potential XSS vulnerabilities

59
27
No support
MIT
xrs

xss-req-sanitizer

Middleware to sanitize http requests

39
No support
MIT
express-csp-generator

express-csp-generator

Content Security Policy Generator, Powered by RapidSec

5
1
No support
MIT
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