The Accellion Kiteworks appliance prior to version kw2016.03.00 contains multiple vulnerabilities.
CWE-276: Incorrect Default Permissions - CVE-2016-5662
An unauthenticated user may be able to conduct cross-site scripting attacks or read limited files from the appliance. An authenticated user may be able to elevate privileges of commands to root.
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Thanks to Shubham Shah for reporting this vulnerability.