CVE-2023-29202 : Vulnerability Insights and Analysis

A critical Cross-site Scripting vulnerability has been identified in the XWiki platform. Find out more about CVE-2023-29202 and how it impacts systems and users.

Understanding CVE-2023-29202

This section provides an in-depth look into the nature of the CVE-2023-29202 vulnerability.

What is CVE-2023-29202?

The vulnerability identified as CVE-2023-29202 is a Cross-site Scripting (XSS) flaw present in the XWiki platform's rendering macro for RSS feeds. This flaw could allow an attacker to inject malicious scripts into web pages viewed by users, potentially leading to various security threats.

The Impact of CVE-2023-29202

The critical nature of this vulnerability lies in its potential to allow arbitrary HTML and JavaScript injection, enabling attackers to execute actions within the wiki environment with escalated privileges. This includes activities like privilege escalation, remote code execution, information disclosure, and content manipulation.

Technical Details of CVE-2023-29202

Delve deeper into the technical aspects of CVE-2023-29202 to understand its implications on affected systems and versions.

Vulnerability Description

XWiki's RSS macro fails to sanitize the content of feed items when the 'content' parameter is set to 'true,' leading to the injection of malicious code. The issue has been addressed in XWiki 14.6 RC1 by cleaning the feed content before presentation.

Affected Systems and Versions

Versions of the XWiki platform ranging from '>= 1.8' to '3.0.1' and '< 14.6-rc-1' are confirmed to be affected by this XSS vulnerability.

Exploitation Mechanism

The XSS flaw in the XWiki platform's RSS macro allows attackers to insert malicious scripts into RSS feeds, leveraging user interactions to execute unauthorized actions within the platform.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks posed by CVE-2023-29202 and prevent potential security breaches.

Immediate Steps to Take

Users are advised to update their XWiki platform to version 14.6 RC1 or later to eliminate the XSS vulnerability. Additionally, uninstalling the RSS macro if not in use can serve as a temporary workaround to mitigate the risk.

Long-Term Security Practices

Practicing secure coding habits, regular security audits, and prompt installation of software patches are essential for maintaining a robust defense against XSS vulnerabilities.

Patching and Updates

Continuously monitoring for security updates and promptly applying patches released by XWiki is crucial to ensure ongoing protection against emerging vulnerabilities.