Frog CMS 0.9.5 - Persistent Cross-Site Scripting

# Exploit Title: Frog CMS 0.9.5 has a stored Cross Site Scripting Vulnerability via "Admin Site title" in Settings
# Date: 2018-04-23
# Exploit Author: Wenming Jiang
# Vendor Homepage: https://github.com/philippe/FrogCMS
# Software Link: https://github.com/philippe/FrogCMS
# Version: 0.9.5
# Tested on: php 5.6, apache2.2.29, macos 10.12.6
# CVE :CVE-2018-10321


Description:
Frog CMS 0.9.5 has a stored Cross Site Scripting Vulnerability when an attacker has access to Settings page, and enters the payload via "Admin Site title" in Settings.


Steps to replicate:
log into the system as an administrator role;
enter page: http://your_site/frogcms/admin/?/setting, and click Settings option;
navigate to "Admin Site title" section
enter payload as shown in below section:
Frog CMS1</a><img src=1 onerror="alert()" /><a>
visit http://your_site/frogcms/admin/?/login, you will triage JavaScript execution



Exploit Code:
Frog CMS1</a><img src=1 onerror="alert()" /><a>


Impacts:
Anyone who visit the target page will be affected to triage JavaScript code, including administrator, editor, developer, and guest.


Affected Version:
0.9.5


Affected URL:
http://your_site/frogcms/admin/?/login