CVE-2013-5966 - XSS in ZK Framework

[Stephan Rickauer <stephan.rickauer () csnc ch>]

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# COMPASS SECURITY ADVISORY  - http://www.csnc.ch/
#
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# CVE ID : CVE-2013-5966
# CSNC ID: CSNC-2013-023
# Product: ZK Framework
# Vendor:  Potix Corporation
# Subject: Cross-site Scripting - XSS
# Risk:    High
# Effect:  Remotely exploitable
# Author:  Stephan Rickauer (stephan.rickauer () csnc ch)
# Date:    November 15th 2013
#
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Introduction:
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Compass Security AG discovered a security flaws in the ZK
Java Framework.


Vulnerable:
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- ZK Framework versions prior version 5.0.13


Patches:
--------
Version 5.0.13 has this issue fixed.


Description:
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The ZK Framework does not properly encode output of user data
in certain places. Exploiting this vulnerability leads to so-called
cross-site scripting (XSS) and allows execution of JavaScript code in
the context of the user's session, e.g. to impersonate logged-in ZK
Framework users.


Milestones:
-----------
2013-09-11  Vulnerability discovered
2013-09-27  Acknowledgement of vulnerability by vendor
2013-09-27  Release of ZK patch
2013-09-30  CVE-ID requested and assigned by MITRE
2013-10-08  Public availability of patched ZK release 5.0.13
2013-11-15  Public release of this advisory


References:
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http://www.zkoss.org/product/zk
https://github.com/zkoss/zk/blob/v5.0.13/zkdoc/release-note
ZK internal identifier: ZK-1961

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