CVE-2023-41167 : Vulnerability Insights and Analysis
@webiny/react-rich-text-renderer before version 5.37.2 allows XSS attacks by content managers, posing a risk to user browser security. Learn about impact, mitigation, and prevention.
Webiny's @webiny/react-rich-text-renderer before version 5.37.2 is vulnerable to XSS attacks by content managers, allowing injection of malicious scripts. This component is used to render data from Webiny Headless CMS and Webiny Form Builder.
Understanding CVE-2023-41167
In this section, we will delve into the details of CVE-2023-41167.
What is CVE-2023-41167?
The vulnerability in @webiny/react-rich-text-renderer allows content managers to execute XSS attacks by inserting malicious scripts, posing a risk to users accessing the rendered content.
The Impact of CVE-2023-41167
The exploitation of this vulnerability could lead to unauthorized script execution, potentially compromising user data and system integrity.
Technical Details of CVE-2023-41167
Let's explore the technical aspects of CVE-2023-41167.
Vulnerability Description
The issue arises from the lack of HTML sanitization in @webiny/react-rich-text-renderer, enabling content managers to inject harmful scripts that get executed in users' browsers.
Affected Systems and Versions
All versions of @webiny/react-rich-text-renderer before 5.37.2 are affected by this vulnerability.
Exploitation Mechanism
An actor, in this case, a content manager with CMS access, can insert malicious scripts via user-defined inputs, leveraging the dangerouslySetInnerHTML prop.
Mitigation and Prevention
Discover how to mitigate and prevent exploitation after CVE-2023-41167.
Immediate Steps to Take
Content managers should refrain from inserting untrusted scripts into the CMS to prevent XSS attacks. Utilizing the updated version of @webiny/react-rich-text-renderer can also mitigate the risk.
Long-Term Security Practices
Practicing content validation and input sanitization can bolster the system's defenses against XSS attacks. Regular security audits and training for content managers are crucial.
Patching and Updates
Ensure timely updates of @webiny/react-rich-text-renderer to patched versions to address the XSS vulnerability.