activeCollab XSS and Full Path Disclosure

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Vuln. discovered by : r0t
Date: 17 May 2009
Vendor:http://www.activecollab.com/
affected versions:2.1, corporate
other versions also can be affected.
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1.Cross-Site Scripting (XSS) Vulnerability
activeCollab contains a flaw that allows a remote Cross-Site Scripting attacks.Input passed to the "re_route" parameter in "/login?" isn't properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

2. Full Path Disclosure
The problem is that it is possible to disclose the full installation path by "testing" XSS vulnerability(look at part 1.)

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Solution:
Edit the source code to ensure that input is properly sanitised.
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