CVE-2022-29258 : Security Advisory and Response

A detailed overview of the CVE-2022-29258 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2022-29258

This section delves into the specifics of the cross-site scripting vulnerability discovered in the Filter Stream Converter Application within the XWiki Platform.

What is CVE-2022-29258?

CVE-2022-29258 refers to a cross-site scripting flaw identified in the XWiki Platform's Filter UI. This vulnerability can allow malicious actors to execute arbitrary scripts on the user's web browser, posing a significant security risk.

The Impact of CVE-2022-29258

The vulnerability's impact is rated as high severity due to the potential for unauthorized access to sensitive data and manipulation of user sessions. With a CVSS base score of 7.4, it is crucial to address this issue promptly to prevent any exploitation.

Technical Details of CVE-2022-29258

This section explores the specifics of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The XWiki Platform Filter UI contains a cross-site scripting vector in the

Filter.FilterStreamDescriptorForm

wiki page, affecting numerous form fields displayed on the application's home page. The issue was present in versions prior to 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3 but has been patched in subsequent versions.

Affected Systems and Versions

The vulnerability impacts XWiki Platform versions starting from 5.4.4 to versions prior to 13.10.3. It is crucial for users of the affected versions to take immediate action to mitigate the risk of exploitation.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by injecting and executing malicious scripts through the affected wiki page, leading to unauthorized access and potential data compromise.

Mitigation and Prevention

In this section, we discuss the steps that users and administrators can take to mitigate the risk posed by CVE-2022-29258.

Immediate Steps to Take

Users are advised to update their XWiki Platform to patched versions (12.10.11, 14.0-rc-1, 13.4.7, or 13.10.3) to eliminate the vulnerability. Additionally, manual editing of the

Filter.FilterStreamDescriptorForm

wiki page as per the provided instructions can offer a temporary workaround.

Long-Term Security Practices

Implementing secure coding practices, regularly updating software, and conducting security assessments can enhance overall system security and help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security updates and patches released by XWiki to ensure that the platform is up-to-date with the latest security fixes.