CVE-2023-52085 : What You Need to Know

Winter CMS Local File Inclusion through Server Side Template Injection

Understanding CVE-2023-52085

Winter CMS, a free and open-source content management system, was affected by a vulnerability that allowed users to exploit the ColorPicker FormWidget in backend forms. This exploitation could lead to a Local File Inclusion vulnerability.

What is CVE-2023-52085?

The CVE-2023-52085 vulnerability in Winter CMS allowed users to provide a value in backend forms that would be included in the compilation of custom stylesheets via LESS, potentially leading to Local File Inclusion.

The Impact of CVE-2023-52085

The impact of this vulnerability could enable attackers to include arbitrary files on the server, leading to unauthorized access to sensitive information or even remote code execution.

Technical Details of CVE-2023-52085

Winter CMS version 1.2.4 and below are affected by this vulnerability.

Vulnerability Description

Exploiting the ColorPicker FormWidget in backend forms could allow malicious actors to include malicious content in custom stylesheets, leading to Local File Inclusion.

Affected Systems and Versions

Vendor: wintercms
Product: winter
Affected Version: < 1.2.4

Exploitation Mechanism

Attackers can manipulate the ColorPicker FormWidget in backend forms to inject malicious content and exploit the server-side template injection vulnerability.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risk associated with CVE-2023-52085 and implement long-term security practices.

Immediate Steps to Take

Update Winter CMS to version 1.2.4 or above to patch the vulnerability.
Monitor backend forms and user inputs for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software components to eliminate known vulnerabilities.
Implement access controls and restrictions to limit the impact of potential exploitation.

Patching and Updates

Refer to the Winter CMS official security advisory for the patch details: Winter CMS Security Advisory Ensure to apply the patch provided by Winter CMS through the official commit: Winter CMS Commit