Discover the impact of CVE-2023-52084, a low-severity stored XSS vulnerability in Winter CMS. Learn how to mitigate the risk and secure your systems against potential attacks.
Winter CMS Stored XSS through Backend ColorPicker FormWidget
Understanding CVE-2023-52084
Winter CMS, a free, open-source content management system, was found to have a stored XSS vulnerability through the Backend ColorPicker FormWidget prior to version 1.2.4.
What is CVE-2023-52084?
The vulnerability, tracked as CVE-2023-52084, allows users with access to backend forms containing a ColorPicker FormWidget to input a value that can be executed as code, leading to a stored XSS attack.
The Impact of CVE-2023-52084
The impact of this vulnerability is considered low severity, with a CVSS base score of 2. Although the confidentiality impact is none, it poses a risk to the integrity of data.
Technical Details of CVE-2023-52084
This section delves into the technical aspects of the CVE, including how the vulnerability manifests and the systems affected.
Vulnerability Description
Users can input malicious code via the ColorPicker FormWidget, which is then executed in the backend, potentially compromising the security of the system.
Affected Systems and Versions
Winter CMS versions prior to 1.2.4 are affected by this vulnerability, exposing systems to the risk of stored XSS attacks.
Exploitation Mechanism
The vulnerability is exploited by users with backend access inserting malicious code through the ColorPicker FormWidget, which is then rendered without proper sanitization, allowing for code execution.
Mitigation and Prevention
To protect systems from CVE-2023-52084, immediate steps should be taken along with long-term security practices.
Immediate Steps to Take
Upgrade Winter CMS to version 1.2.4 or later to mitigate the vulnerability. Verify backend forms to ensure no malicious scripts are injected through the ColorPicker FormWidget.
Long-Term Security Practices
Regularly update Winter CMS and all its components to the latest versions. Educate users on safe input practices to prevent exploitation of such vulnerabilities.
Patching and Updates
Stay informed about security advisories and apply patches promptly to address emerging vulnerabilities in Winter CMS.