Apache Pluto 3.0.0 / 3.0.1 Cross Site Scripting

Apache Pluto versions 3.0.0 and 3.0.1 suffer from a persistent cross site scripting vulnerability.

MD5 | 5b4d482e4f11f898eeb856751db97337

# Exploit Title: Stored XSS
# Date: 25-04-2019
# Exploit Author: Dhiraj Mishra
# Vendor Homepage: https://portals.apache.org/pluto
# Software Link: https://portals.apache.org/pluto/download.html
# Version: 3.0.0, 3.0.1
# Tested on: Ubuntu 16.04 LTS
# CVE: CVE-2019-0186
# References:
# https://nvd.nist.gov/vuln/detail/CVE-2019-0186
# https://portals.apache.org/pluto/security.html
# https://www.inputzero.io/2019/04/apache-pluto-xss.html

The "Chat Room" portlet demo that ships with the Apache Pluto Tomcat bundle
contains a Cross-Site Scripting (XSS) vulnerability. Specifically, if an
attacker can input raw HTML markup into the "Name" or "Message" input
fields and submits the form, then the inputted HTML markup will be embedded
in the subsequent web page.

Technical observation:
- Start the Apache Pluto Tomcat bundle
- Visit http://localhost:8080/pluto/portal/Chat%20Room%20Demo
- In the name field, enter:
<input type="text" value="Name field XSS></input>
- Click Submit
- In the message field, enter:
<input type="text" value="Message field XSS></input>

3.0.x users should upgrade to 3.1.0

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