CVE-2023-29523 : Security Advisory and Response

A critical vulnerability (CVE-2023-29523) has been identified in the XWiki Platform that allows for code injection in the display method used in user profiles. This CVE has a CVSS base score of 10, indicating its critical severity.

Understanding CVE-2023-29523

This section will delve into the details of CVE-2023-29523, shedding light on the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-29523?

The CVE-2023-29523 vulnerability in XWiki Platform enables users to execute arbitrary script macros, leading to remote code execution with unrestricted access to all wiki contents. This security flaw also affects applications utilizing the

display

method, such as 'App Within Minutes'.

The Impact of CVE-2023-29523

With a CVSS base score of 10, this critical vulnerability poses a severe threat. Attackers can exploit this flaw to execute malicious code, potentially compromising the integrity, confidentiality, and availability of the system.

Technical Details of CVE-2023-29523

Let's explore the technical aspects of CVE-2023-29523 to understand the vulnerability further.

Vulnerability Description

XWiki Platform allows users to execute arbitrary script macros, permitting remote code execution and unauthorized access to wiki contents. The issue arises from improper input validation in the display method.

Affected Systems and Versions

The XWiki Platform versions affected by CVE-2023-29523 include >= 3.3-milestone-1, < 13.10.11, >= 14.0-rc-1, < 14.4.8, and >= 14.5, < 14.10.1. Users utilizing these versions are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious script macros into user profiles or applications using the

display

method. This can lead to unauthorized code execution and manipulation of wiki content.

Mitigation and Prevention

Discover how to address and prevent the CVE-2023-29523 vulnerability in XWiki Platform.

Immediate Steps to Take

To mitigate the risk posed by CVE-2023-29523, users are advised to upgrade to the patched versions, including XWiki 13.10.11, 14.4.8, 14.10.2, or 15.0RC1. No workarounds are available apart from applying these updates.

Long-Term Security Practices

In the long term, it is crucial to adopt secure coding practices, regularly update software, and conduct security audits to prevent code injection vulnerabilities like CVE-2023-29523.

Patching and Updates

Stay informed about security updates released by XWiki to address critical vulnerabilities. Regularly update the XWiki Platform to ensure protection against known security threats.