CVE-2023-35158 : Security Advisory and Response

A critical vulnerability exists in XWiki Platform that allows for reflected cross-site scripting via the xredirect parameter in the restore template.

Understanding CVE-2023-35158

This CVE identifies a security issue in the XWiki Platform that can be exploited by an attacker to inject malicious scripts into web pages.

What is CVE-2023-35158?

XWiki Platform is a generic wiki platform that provides runtime services for applications. The vulnerability allows users to craft a URL with a payload to inject JavaScript on a page, leading to cross-site scripting (XSS) attacks.

The Impact of CVE-2023-35158

This vulnerability in XWiki Platform can have a severe impact on confidentiality, integrity, and availability of systems. Attackers can execute arbitrary scripts in the context of an authenticated user.

Technical Details of CVE-2023-35158

The following technical aspects are associated with CVE-2023-35158:

Vulnerability Description

Users can exploit the restore template in XWiki Platform to perform XSS attacks by utilizing crafted URLs with malicious payloads.

Affected Systems and Versions

Vendor: XWiki
Product: XWiki Platform
Affected Versions:
= 9.4-rc-1, < 14.10.5

= 15.0-rc-1, < 15.1-rc-1

Exploitation Mechanism

The vulnerability allows an attacker to manipulate the xredirect parameter in the restore template, enabling the execution of arbitrary JavaScript code on affected pages.

Mitigation and Prevention

It is crucial to address CVE-2023-35158 promptly to enhance the security posture of XWiki Platform:

Immediate Steps to Take

Update XWiki Platform to versions 14.10.5 and 15.1-rc-1 to eliminate the vulnerability.
Implement strict input validation to mitigate the risk of XSS attacks.

Long-Term Security Practices

Regularly monitor and update XWiki Platform to ensure all security patches are applied promptly.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Stay informed about security advisories from XWiki and apply patches as soon as they are released.