CVE-2023-29210 : What You Need to Know

This article provides detailed information about the CVE-2023-29210 security vulnerability affecting XWiki Platform Notifications UI.

Understanding CVE-2023-29210

This CVE, with the title 'org.xwiki.platform:xwiki-platform-notifications-ui Eval Injection vulnerability' involves an Eval Injection exploit due to improper neutralization of directives in dynamically evaluated code.

What is CVE-2023-29210?

The vulnerability in XWiki Commons allows users with view rights on accessible documents to execute arbitrary code, leading to full access to XWiki installations. The vulnerability arises from improper user parameter escaping in notification preference macros.

The Impact of CVE-2023-29210

This critical vulnerability allows unauthorized users to execute malicious code, potentially compromising the confidentiality, integrity, and availability of the XWiki installation.

Technical Details of CVE-2023-29210

This section outlines the technical aspects of the CVE-2023-29210 vulnerability.

Vulnerability Description

The vulnerability arises due to improper escaping of user parameters in notification preference macros, enabling the execution of arbitrary Groovy, Python, or Velocity code.

Affected Systems and Versions

XWiki Platform versions affected include >= 13.2-rc-1 to < 13.10.11, >= 14.0-rc-1 to < 14.4.7, and >= 14.5 to < 14.10.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating notification preferences macros to run unauthorized code, potentially compromising the system.

Mitigation and Prevention

To secure systems against CVE-2023-29210, immediate steps should be taken along with long-term security practices.

Immediate Steps to Take

Update XWiki installations to version 13.10.11, 14.4.7, or 14.10 to apply the necessary patches.
Restrict access to notification preference macros to authorized users only.

Long-Term Security Practices

Regularly monitor and audit user permissions and access rights within XWiki installations.
Educate users on secure coding practices to prevent code injection attacks.

Patching and Updates

Ensure timely installation of security patches and updates released by XWiki to address vulnerabilities like CVE-2023-29210.