Information
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Name :  XSS & CSRF Vulnerabilities in Gutuma
Software :  Gutuma 1.6 and possibly below.
Vendor Homepage : http://www.gutuma.com/
Vulnerability Type :  XSS & CSRF
Severity :  Critical
Researcher :  Omar Kurt
Advisory Reference :  NS-13-010

Description
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Gutuma was born out of the need for free mailing list / newsletter software that is geared, not towards mass-marketing companies and spammers, but web developers who need a system that can be easily integrated with an existing web site. It's very easy to install and use, and doesn't even require a database, but it still has lots of powerful features. Internally, Gutuma uses the tried and tested Swift mailer for sending messages, and the SACK library for AJAX subscribe requests.

Details
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Gutuma is affected by XSS and CSRF vulnerabilities in version 1.6. Example PoC’s are as follows:

You can read the full article about Cross-site Scripting (XSS) vulnerabilities from here:

Solution
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No Solution

Advisory Timeline
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05/09/2013 - First contact: No response
09/10/2013 - Advisory Released

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

References
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MSL Advisory Link : /xss-and-csrf-vulnerabilities-in-gutuma/
Netsparker Advisories : /netsparker-advisories/

About Netsparker
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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.