CVE-2024-35498: Grav Cross-site Scripting Vulnerability in Grav v1.7.45
Summary
CVE-2024-35498: Grav Cross-site Scripting vulnerability. Affects getgrav/grav versions < 1.7.45. No fix is published. How to fix ↓
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Background
Grav is a modern open-source flat-file CMS (Content Management System) that allows users to create and manage websites without the need for a traditional database. It is known for its speed, flexibility, and ease of use, making it a popular choice among developers and content creators. However, like any software, Grav is susceptible to vulnerabilities, including cross-site scripting (XSS) issues, which can compromise the security of web applications.
Vulnerability Detail
The vulnerability identified as CVE-2024-35498 is a cross-site scripting (XSS) flaw present in Grav version 1.7.45. This vulnerability allows attackers to inject and execute arbitrary web scripts or HTML code through a crafted payload. The origin of this issue lies in insufficient input validation, which can lead to unauthorized access and manipulation of user data. If exploited, this vulnerability can result in session hijacking, defacement of web pages, or the distribution of malware to users visiting the affected site.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can implement input sanitization and validation on any user-generated content to prevent the execution of malicious scripts. This can be done by using libraries or functions that escape HTML characters, ensuring that any input is treated as plain text rather than executable code.
Conclusion
The Grav Cross-site Scripting vulnerability (CVE-2024-35498) poses a significant risk to users of Grav v1.7.45. It is crucial to update to the latest version to protect against potential attacks. By following the recommended steps and utilizing tools like Vulert, users can ensure their applications remain secure.
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FAQ
Cross-site scripting (XSS) is a security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users, potentially leading to data theft or unauthorized actions.
You can check if your Grav installation is affected by using Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to analyze your application without any signup.
The risks include session hijacking, unauthorized access to user accounts, data manipulation, and the potential spread of malware to users visiting the compromised site.
Yes, implementing proper input validation, output encoding, and using security libraries can help prevent XSS vulnerabilities in web applications.
If an immediate update is not possible, ensure that you implement input sanitization and validation as a temporary measure to mitigate the risk of exploitation.
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