CVE-2020-22330: Subrion Cross-Site Scripting (XSS) Vulnerability
Summary
CVE-2020-22330: Subrion Cross-Site Scripting (XSS) vulnerability. Affects intelliants/subrion versions >= 4.2.1, < 4.2.2. Fixed in 4.2.2. How to fix ↓
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Background
Subrion is an open-source content management system (CMS) written in PHP. It provides a platform for creating and managing websites, including features such as user management, content publishing, and template customization. The vulnerability identified as CVE-2020-22330 is a Cross-Site Scripting (XSS) vulnerability that affects Subrion version 4.2.1. This vulnerability arises when adding a page and can be exploited through the title field.
Vulnerability Detail
The Cross-Site Scripting (XSS) vulnerability in Subrion 4.2.1 allows an attacker to inject malicious scripts into the application, which are then executed in the context of the victim's browser. This can lead to various security risks, including unauthorized access to sensitive information, session hijacking, and the potential for further attacks. The vulnerability is rated as moderate severity with a CVSS score of 6.1.
How To Fix
Minimum fixed version
4.2.2
This is the first release that contains the fix.
composer require intelliants/subrion:4.2.2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can manually sanitize the input by ensuring that any user-supplied data is properly encoded or escaped before being displayed on the website. This can be achieved by using appropriate functions or libraries provided by the programming language or framework being used. Here is an example of how to sanitize the title field in PHP:
$title = htmlspecialchars($title, ENT_QUOTES, 'UTF-8');
Conclusion
The CVE-2020-22330 vulnerability in Subrion version 4.2.1 poses a moderate security risk due to the Cross-Site Scripting (XSS) vulnerability. Users are advised to upgrade to Subrion version 4.2.2 or later to fix this vulnerability. In the meantime, implementing proper input sanitization and output encoding can serve as a temporary workaround. For further assistance and support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for intelliants/subrion →
FAQ
Subrion is an open-source content management system (CMS) written in PHP. It provides a platform for creating and managing websites, including features such as user management, content publishing, and template customization.
Cross-Site Scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. These scripts can be used to steal sensitive information, manipulate website content, or perform other malicious actions.
The CVE-2020-22330 vulnerability affects Subrion version 4.2.1. It allows an attacker to inject malicious scripts into the application through the title field when adding a page. This can lead to various security risks, including unauthorized access to sensitive information and the potential for further attacks.
The CVE-2020-22330 vulnerability is rated as moderate severity with a CVSS score of 6.1. While it is not considered critical, it still poses a significant risk and should be addressed promptly.
To fix the CVE-2020-22330 vulnerability, users of Subrion should upgrade to version 4.2.2 or later. This update includes the necessary fixes to prevent the execution of malicious scripts. It is recommended to update the Subrion installation as soon as possible to mitigate the risk of exploitation.
References
Related vulnerabilities
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