Opencart 3.x Cross Site Scripting

2019.09.03
Credit: Nipun Somani
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 3.5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 6.8/10
Exploit range: Remote
Attack complexity: Medium
Authentication: Single time
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

# Exploit Title: Opencart 3.x.x Authenticated Stored XSS # Date: 08/15/2019 # Exploit Author: Nipun Somani # Author Web: http://thehackerstore.net # Vendor Homepage: https://www.opencart.com/ # Software Link: https://github.com/opencart/opencart # Version: 3.x.x # Tested on: Debian 9, Windows 10 x64 # CVE : CVE-2019-15081 Description: The Opencart Version 3.x.x allows editing Source/HTML of the Categories / Product / Information pages in the admin panel which isn't sanitized to user input allowing for an attacker to execute arbitrary javascript code leading to Stored Cross-Site-Scripting(XSS). Proof-of-Concept(POC): 1. Log-in to admin-panel. 2. Navigate to Catlog and then select any of [Categories or Products or Information] options and and pick any entry or create one. 3. Under description click on Source option and insert your XSS payload. i.e: "><script>alert("XSS")</script> 4. Now visit the modified page of your public website. And your injected XSS payload will execute.


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