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fixed.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Home</title>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width" />
<link
rel="stylesheet"
href="https://cdn.staticfile.net/twitter-bootstrap/3.4.1/css/bootstrap.min.css"
/>
<script src="https://cdn.staticfile.net/jquery/2.1.1/jquery.min.js"></script>
<script src="nes-bootstrap.js"></script>
<!--
Need a visual blank slate?
Remove all code in `styles.css`!
-->
<link rel="stylesheet" href="styles.css" />
<script type="module" src="script.js"></script>
</head>
<body>
<nav>
<a href="index.html">Original</a>
<a href="fixed.html">Patched</a>
</nav>
<main>
<h1>Boostrap 3.4.1 XSS Carousel Component Fixes</h1>
<h2>XSS Attempts - Carousel</h2>
<h3><code>javascript:alert()</code></h3>
<div class="carousel-container">
<div id="myCarousel" class="carousel slide">
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
</ol>
<div class="carousel-inner">
<div class="item active">
<img
src="https://placeholder.pics/svg/500x200/DEDEDE/555555/Slide%201"
alt="First slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 1</div>
</div>
<div class="item">
<img
src="https://placeholder.pics/svg/500x200/1A12FF-DCE9FF/Slide%202"
alt="Second slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 2</div>
</div>
</div>
</div>
<a
href="javascript:alert('XSS href')"
class="left"
role="button"
data-slide="prev"
>
<span>Previous (href)</span>
</a>
<!-- href="javascript:alert('XSS href')" -->
<a
href="#myCarousel"
data-target="javascript:alert('XSS href')"
class="right"
role="button"
data-slide="next"
>
<span>Next (data-target)</span>
</a>
</div>
<hr />
<h3>
<code>
<<script>javascript: alert('XSS'); </script>
</code>
</h3>
<div class="carousel-container">
<div id="myCarousel2" class="carousel slide">
<ol class="carousel-indicators">
<li
data-target="#myCarousel2"
data-slide-to="0"
class="active"
></li>
<li data-target="#myCarousel2" data-slide-to="1"></li>
</ol>
<div class="carousel-inner">
<div class="item active">
<img
src="https://placeholder.pics/svg/500x200/DEDEDE/555555/Slide%201"
alt="First slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 1</div>
</div>
<div class="item">
<img
src="https://placeholder.pics/svg/500x200/1A12FF-DCE9FF/Slide%202"
alt="Second slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 2</div>
</div>
</div>
</div>
<a
href="<<script>javascript:alert('XSS href')</script>"
class="left"
role="button"
data-slide="prev"
>
<span>Previous (href)</span>
</a>
<!-- href="javascript:alert('XSS href')" -->
<a
href="#myCarousel2"
data-target="<<script>javascript:alert('XSS data-target')</script>"
class="right"
role="button"
data-slide="next"
>
<span>Next (data-target)</span>
</a>
</div>
<hr />
<h2>Normal Functionality</h2>
<h3>
<code>#myCarousel3</code>
</h3>
<div class="carousel-container">
<div id="myCarousel3" class="carousel slide">
<ol class="carousel-indicators">
<li
data-target="#myCarousel3"
data-slide-to="0"
class="active"
></li>
<li data-target="#myCarousel3" data-slide-to="1"></li>
</ol>
<div class="carousel-inner">
<div class="item active">
<img
src="https://placeholder.pics/svg/500x200/DEDEDE/555555/Slide%201"
alt="First slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 1</div>
</div>
<div class="item">
<img
src="https://placeholder.pics/svg/500x200/1A12FF-DCE9FF/Slide%202"
alt="Second slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 2</div>
</div>
</div>
</div>
<a href="#myCarousel3" class="left" role="button" data-slide="prev">
<span>Previous (href)</span>
</a>
<a
href="#myCarousel3"
data-target="#myCarousel3"
class="right"
role="button"
data-slide="next"
>
<span>Next (data-target)</span>
</a>
</div>
<h3>
<code>#someHash#myCarousel4</code>
</h3>
<div class="carousel-container">
<div id="myCarousel4" class="carousel slide">
<ol class="carousel-indicators">
<li
data-target="#myCarousel4"
data-slide-to="0"
class="active"
></li>
<li data-target="#myCarousel4" data-slide-to="1"></li>
</ol>
<div class="carousel-inner">
<div class="item active">
<img
src="https://placeholder.pics/svg/500x200/DEDEDE/555555/Slide%201"
alt="First slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 1</div>
</div>
<div class="item">
<img
src="https://placeholder.pics/svg/500x200/1A12FF-DCE9FF/Slide%202"
alt="Second slide"
data-holder-rendered="true"
/>
<div class="carousel-caption">title 2</div>
</div>
</div>
</div>
<a
href="#someHash#myCarousel4"
class="left"
role="button"
data-slide="prev"
>
<span>Previous (href)</span>
</a>
<a
href="#someHash#myCarousel4"
data-target="#someHash#myCarousel4"
class="right"
role="button"
data-slide="next"
>
<span>Next (data-target)</span>
</a>
</div>
<hr />
<hr />
<h3>Dropdown</h3>
<div class="dropdown">
<button
id="dLabel"
type="button"
data-toggle="dropdown"
aria-haspopup="true"
aria-expanded="false"
>
Dropdown trigger
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="dLabel">
<li>
<a
href="<<script>javascript:alert('XSS href')</script>"
class="dropdown-toggle"
data-toggle="dropdown"
>data-toggle</a
>
</li>
<li><a href="javascript:alert('XSS');">vanilla html </a></li>
</ul>
</div>
<div class="container">
<h2>Bootstrap Alert Example</h2>
<div
id="myAlert"
class="alert alert-success alert-dismissible fade in"
role="alert"
style="display: none"
>
<button
type="button"
class="close"
data-dismiss="alert"
aria-label="Close"
>
<span aria-hidden="true">×</span>
</button>
<strong>Success!</strong> This is a success alert message.
</div>
<button
id="show-alert"
class="btn btn-primary"
data-target="#myAlert"
data-toggle="alert"
>
Show Alert
</button>
</div>
<script>
$(document).ready(function () {
$('#show-alert').click(function () {
var target = $(this).data('target');
$(target).fadeIn();
});
});
</script>
<p>
<a
href="asdfasdfa#section#myAlert"
data-dismiss="alert"
aria-label="Close"
>close</a
>
</p>
</main>
</body>
</html>