CVE-2021-33562: Cross-Site Scripting in Shopizer
Summary
CVE-2021-33562: Cross-site scripting in Shopizer. Affects com.shopizer:shopizer versions < 2.17.0. Fixed in 2.17.0. How to fix ↓
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Background
Shopizer is an open-source e-commerce software written in Java. It provides a platform for building online stores and managing product catalogs, orders, and payments. The vulnerability identified as CVE-2021-33562 affects Shopizer versions prior to 2.17.0. This vulnerability allows remote attackers to inject arbitrary web script or HTML through the 'ref' parameter on product pages, potentially leading to cross-site scripting (XSS) attacks.
Vulnerability Detail
The vulnerability arises due to a lack of proper input validation and sanitization in the handling of the 'ref' parameter. Attackers can exploit this by crafting malicious URLs that contain script or HTML code. When a user clicks on such a URL, the injected code gets executed within the context of the vulnerable page, potentially allowing the attacker to steal sensitive information, perform actions on behalf of the user, or manipulate the page content. The impact of this vulnerability can range from session hijacking to defacement of the affected website.
How To Fix
Minimum fixed version
2.17.0
This is the first release that contains the fix.
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Workaround
If upgrading to the latest version is not immediately feasible, a temporary workaround can be implemented by manually validating and sanitizing the 'ref' parameter before processing it. This can be achieved by using a combination of input validation techniques, such as whitelisting allowed characters and encoding special characters. It is recommended to consult the Shopizer documentation or seek assistance from the project's community for guidance on implementing this workaround effectively.
Conclusion
The CVE-2021-33562 vulnerability in Shopizer exposes websites to potential cross-site scripting attacks. It is crucial to upgrade to Shopizer version 2.17.0 or later to mitigate this vulnerability. Implementing proper input validation and output encoding practices is essential to prevent XSS attacks. For more information and assistance, please contact DevNack.com.
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FAQ
Shopizer is an open-source e-commerce software written in Java. It provides a platform for building online stores and managing product catalogs, orders, and payments.
Cross-site scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This can lead to various attacks, such as session hijacking, data theft, or defacement of websites.
You can use Vulert's playground at Vulert Scanner to check if your Shopizer application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the pom.xml file.
Yes, the CVSS score for this vulnerability is 4.8, indicating a moderate severity level.
For further support and detailed instructions on vulnerability remediation, you can reach out to info@devnack.com.
References
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