SeoChecker Umbraco CMS plugin version 1.9.2 suffers from stored cross site scripting vulnerabilities.
808f40f5ea5a3289e8468fc166c306508c3e44f814da48677928b6dae6a49d9a
######################
# Author Information #
######################
Author : Ahmed Elhady Mohamed
twitter : @Ahmed__ELhady
Date : 01/07/2018
########################
# Software Information #
########################
Affected Software : SeoChecker Umbraco CMS Plug-in
Version: version 1.9.2
Software website : https://soetemansoftware.nl/seo-checker
###############
# Description #
###############
SeoChecker Umbraco CMS Plug-in version 1.9.2 is vulnerable to stored cross-site scripting vulnerability in two parameters
which are SEO title and SEO description HTML parameters fields. A low privilege authenticated user who can edit the SEO tab
parameter value for any Ubmraco CMS content like an article will be able to inject a malicious code to execute arbitrary HTML
and JS code in a user's browser session in the context of an affected site. so when a high privilege user tries to access/edit
the article content. the JS code will be executed. The vulnerabilities are tested on 1.9.2 version and Other versions may also be affected.
#################
# Exlpoit Steps #
#################
1- Access the application with a low privilege authenticated user
2- Go to the SEO tab for any article
3-Enter the following payload in SEO title and SEO description HTML parameters fields parameters
"><script>alert(123)</script>
4- Access the article content page to edit and change contents value.
5- The JS code will be executed.