CVE-2024-53277: Silverstripe Framework XSS Vulnerability in Form Messages
Summary
CVE-2024-53277: Silverstripe Framework has a XSS in form messages. Affects silverstripe/framework versions < 5.3.8. Fixed in 5.3.8. How to fix ↓
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Background
Silverstripe Framework is an open-source content management system (CMS) and framework for building web applications. It provides a robust set of tools for developers to create dynamic websites and applications. The framework supports various features, including templating, form handling, and user management. However, it has a vulnerability related to how form messages handle user-provided content, which can lead to cross-site scripting (XSS) attacks if not properly sanitized.
Vulnerability Detail
The vulnerability arises from the fact that some form messages can include HTML markup, which is an intentional feature of the Silverstripe Framework. However, in certain scenarios within the CMS, user-provided content is not adequately sanitized before being included in these form messages. This oversight can allow attackers to inject malicious scripts into the form messages, leading to XSS vulnerabilities. The potential ramifications include unauthorized access to user sessions, data theft, and the ability to manipulate the user interface.
How To Fix
Minimum fixed version
5.3.8
This is the first release that contains the fix.
composer require silverstripe/framework:5.3.8Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, ensure that any user-generated content included in form messages is properly sanitized before being displayed. This can be done by using built-in sanitization functions provided by the framework to escape HTML characters.
Conclusion
The Silverstripe Framework has a moderate severity XSS vulnerability (CVE-2024-53277) that can be exploited through unsanitized form messages. It is crucial for users to update to version 5.3.8 or later to mitigate this risk. Additionally, using tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
See every vulnerability recorded for silverstripe/framework →
FAQ
CVE-2024-53277 is a vulnerability in the Silverstripe Framework that allows for cross-site scripting (XSS) attacks through improperly sanitized form messages.
You can check if your application is affected by using Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to analyze your composer.lock file.
The impacts include unauthorized access to user sessions, data theft, and the ability to execute malicious scripts in the context of the user's browser.
Yes, a patch is available in version 5.3.8 of the Silverstripe Framework. Updating to this version will resolve the vulnerability.
If you cannot update immediately, ensure that any user-generated content in form messages is sanitized to prevent XSS attacks as a temporary measure.
References
Related vulnerabilities
Recent vulnerabilities recorded for silverstripe/framework.
