Joomla MarvikShop ShoppingCart Cross-Site Scripting Scanner

Joomla MarvikShop ShoppingCart is a widely adopted e-commerce extension designed for Joomla, a popular content management system. Businesses across various sectors use MarvikShop ShoppingCart to facilitate online sales, manage products, and process payments effectively. This extension provides a comprehensive shopping cart solution that integrates seamlessly with existing Joomla websites. Its functionalities are critical for retailers aiming to expand their online presence and engagement with customers. It is often deployed by web developers, small business owners, or e-commerce managers who seek reliable options for selling products and services online. The software's ease of use and customization options make it a preferred choice for those leveraging the Joomla platform to create robust online stores.

The Cross-Site Scripting (XSS) vulnerability represents a significant security risk by allowing attackers to inject malicious scripts into webpages viewed by other users. This vulnerability typically exists in web applications that fail to properly sanitize user input, making it easier for attackers to execute scripts. These scripts are often crafted to steal session tokens, hijack user accounts, or perform other malicious activities. XSS attacks disrupt the user experience and can be challenging to detect, as they often mimic legitimate scripts. Proper coding practices, regular security audits, and effective user input validation are paramount in mitigating such risks. The vulnerability poses a threat to user data privacy and the overall security integrity of the affected web application.

In Joomla MarvikShop ShoppingCart version 3.4, the XSS vulnerability exists due to inadequate sanitation of inputs in specific components, particularly in URLs. The vulnerable endpoint is located in the module responsible for displaying products, where URL parameters are improperly handled. Attackers can exploit this by embedding malicious JavaScript in a crafted URL and persuading users to click on it. The vulnerable parameter in this context is related to the `option` and `task` fields within the URL, which are crucial in determining the page's content and format. Properly structured attacks can effectively bypass existing security measures because of this flaw. Understanding and correcting the underlying cause involves reviewing input validation and output encoding practices employed by the software.

If the Cross-Site Scripting vulnerability in Joomla MarvikShop ShoppingCart version 3.4 is exploited successfully, attackers can execute arbitrary scripts in the context of users visiting the affected site. Potential impacts include unauthorized access to sensitive user information such as session tokens and login credentials. This could lead to identity theft, data breaches, and other unauthorized actions, culminating in substantial reputational damage and financial loss for businesses. Users might also encounter unauthorized content modifications or redirections to harmful sites while interacting with the shopping cart. System administrators must act promptly to patch and protect affected systems to minimize these extensive impacts.

REFERENCES

• https://packetstormsecurity.com/files/168598/Joomla-MarvikShop-ShoppingCart-3.4-Cross-Site-Scripting.html
• https://cxsecurity.com/issue/WLB-2022100015
• https://extensions.joomla.org/