Information
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Advisory by Netsparker (now Invicti)
Name: Stored Cross-site Scripting in Zurmo
Affected Software: Zurmo
Affected Versions: 3.2.6
Homepage: http://zurmo.org
Vulnerability: Stored Cross-site Scripting
Severity: Medium
Status: Not Fixed
Invicti Advisory Reference: NS-19-010

Technical Details
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URL : http://{DOMAIN}/zurmo/app/index.php/zurmo/group
Injection URL : http://{DOMAIN}/zurmo/app/index.php/zurmo/group/edit?id=11
Parameter Name : Group_bname%5d
Parameter Type : POST
Attack Pattern : <scRipt>alert(‘storedXSS’)</scRipt>

Proof-of-Concept
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Visit http://{DOMAIN}/zurmo/app/index.php/zurmo/group/create and enter a random group name and save it. Edit the new group from http://{DOMAIN}/zurmo/app/index.php/zurmo/group and replace the name with the attack pattern. Save and navigate back to http://{DOMAIN}/zurmo/app/index.php/zurmo/group . You’ll see the XSS pop up.

Advisory Timeline
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17th May 2019 - First Attempted Contact
25th July 2019 - Advisory Released

Credits & Authors
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These issues have been discovered by Umran Yildirimkaya while testing the Invicti Web Application Security Scanner.

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.