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October CMS < 1.0.431 - Cross-Site Scripting

🗓️ 19 Feb 2018 00:00:00Reported by Samrat DasType 
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 exploitdb
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October CMS Stored Code Injection - Cross-Site Scriptin

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​​# Exploit Title: October CMS Stored Code Injection
# Date: 16-02-2018
# Exploit Author: Samrat Das
# Contact: http://twitter.com/Samrat_Das93
# Website: https://securitywarrior9.blogspot.in/
# Vendor Homepage: *https://octobercms.com/ <https://octobercms.com/>*
# Version: All versions till date from 1.0.431
# CVE : CVE- 2018-7198
# Category: WebApp CMS

1. Description

The application source code is coded in a way which allows malicious
crafted HTML commands to be executed without input validation

2. Proof of Concept

1.  Visit the application
2.  Visit the Add posts page
3.  Goto edit function, add any html based payload and its gets stored and executed subsequently.

Proof of Concept

Steps to Reproduce:

1. Create any HTML based payload such as:

Username:<input type=text> <br>
Password: <input type=text> <br>
<button type="button">Login</button>

2. This hosted page with form action implemented upon clicked by user will lead to exfiltration of credentials apart from performing a host of other actions such as stored xss and another similiar attacks.



3. Solution:

Implement through input validation to reject unsafe html input.

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19 Feb 2018 00:00Current
7.4High risk
Vulners AI Score7.4
EPSS0.001
43
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