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PluXml Thumbnail Path XSS (CVE-2022-25020)
cve-2022 | Level: Easy | Total Lab Runs: 0 | Premium Lab |
What is PluXml?
As stated on its website, PluXml is a blog / CMS. It uses XML instead of an SQL database to store its data. It is a highly customizable and high-performant CMS.
Note: The image is taken for the translated version of the website to make it more accessible to the non-French speaking audience.
Reference: https://pluxml.org/
What is CVE-2022-25020?
A cross-site scripting (XSS) vulnerability in Pluxml v5.8.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the thumbnail path of a blog post.
The base score assigned to this XSS vulnerability is 5.4 (MEDIUM).
Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-25020
In this lab, we will learn to exploit an authenticated stored cross-site scripting vulnerability (CVE-2022-25020) in the PluXml CMS by crafting a payload in the thumbnail path while creating a new article, to inject arbitrary web or HTML scripts.
Lab Environment
In this lab environment, the user is going to get access to a Kali GUI instance. A vulnerable instance of the PluXml CMS is hosted on the target server. It can be accessed using the tools installed on Kali at http://demo.ine.local.
Objective: Leverage the stored XSS vulnerability in PluXml CMS by leveraging the article thumbnail path using the admin user's credentials provided below.
User Information
Use the following credentials to access PluXml's admin panel:
Instructions:
This lab is dedicated to you! No other users are on this network :)
Once you start the lab, you will have access to a root terminal of a Kali instance
Your Kali has an interface with IP address 192.X.Y.Z. Run "ip addr" to know the values of X and Y.
The target server should be located at the IP address 192.X.Y.3. It can be accessed using the hostname demo.ine.local.
Do not attack the gateway located at IP address 192.X.Y.1
The following activities are strictly prohibited on this website unless otherwise explicitly stated as allowed in the mission statement:
- Using automated scanners
- Using brute force attacks
- Denial of Service attacks
- Attacking other student machines in challenges where you might achieve a shell on the vulnerable system
- Attacking the lab infrastructure
Users violating the above will be either temporarily or permanently banned from the website.
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Technical Support for this Lab:
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