CVE-2020-28847: Cross Site Scripting in valine
Summary
CVE-2020-28847: Cross site scripting in valine. Affects valine versions < 1.4.15. Fixed in 1.4.15. How to fix ↓
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Background
Valine is a fast, simple, and powerful comment system used in web applications. It provides a platform for users to leave comments and engage in discussions. The vulnerability identified as CVE-2020-28847 is a Cross Site Scripting (XSS) vulnerability in xCss Valine version 1.4.14. This vulnerability allows an attacker to inject malicious scripts into the application, potentially leading to unauthorized access, data theft, or other malicious activities.
Vulnerability Detail
The XSS vulnerability in Valine version 1.4.14 is caused by improper input sanitization in the 'nick' parameter of the '/classes/Comment' endpoint. An attacker can exploit this vulnerability by injecting malicious scripts or HTML code into the 'nick' parameter, which will be executed when the comment is rendered on the website. This can lead to the execution of arbitrary code, session hijacking, or the theft of sensitive information. The vulnerability was addressed in version 1.4.15 of Valine.
How To Fix
Minimum fixed version
1.4.15
This is the first release that contains the fix.
npm install valine@1.4.15Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The Cross Site Scripting (XSS) vulnerability in Valine version 1.4.14 can be exploited by attackers to execute arbitrary code and potentially compromise the security of the application. It is crucial to upgrade to version 1.4.15 of Valine to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for valine →
FAQ
Valine is a comment system used in web applications to enable user engagement and discussions.
Cross Site Scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users.
The vulnerability allows attackers to execute arbitrary code, potentially leading to unauthorized access, data theft, or other malicious activities.
Upgrade to version 1.4.15 of Valine, which includes proper input sanitization to prevent XSS attacks.
There is no known workaround for this vulnerability. It is recommended to upgrade to the fixed version.
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