CVE-2022-29252 : Vulnerability Insights and Analysis

A security vulnerability, identified as CVE-2022-29252, has been discovered in XWiki Platform Wiki UI Main Wiki. This article provides an overview of the vulnerability, its impact, technical details, and mitigation techniques.

Understanding CVE-2022-20657

This section delves into the specifics of the CVE-2022-29252 vulnerability.

What is CVE-2022-20657?

XWiki Platform Wiki UI Main Wiki is a package that manages subwikis. The vulnerability lies in the

WikiManager.JoinWiki

wiki page, specifically related to the

requestJoin

field, from version 5.3-milestone-2 onwards. The issue has been addressed in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3.

The Impact of CVE-2022-20657

The CVSS score for this vulnerability is 7.4, classifying it as a high severity issue. It has a low attack complexity and requires user interaction, potentially leading to a high confidentiality impact.

Technical Details of CVE-2022-20657

This section outlines the technical aspects of the CVE-2022-29252 vulnerability.

Vulnerability Description

CVE-2022-29252 is classified as CWE-80 and CWE-116, involving improper neutralization of script-related HTML tags in a web page and improper encoding or escaping of output.

Affected Systems and Versions

The vulnerability affects versions of xwiki-platform ranging from

>= 5.3-milestone-2

to

< 12.10.11

,

>= 13.0

to

< 13.4.7

, and

>= 13.5

to

< 13.10.3

.

Exploitation Mechanism

The vulnerability can be exploited through a cross-site scripting vector in the

WikiManager.JoinWiki

page, potentially allowing malicious actors to execute scripts in the context of a user's browser.

Mitigation and Prevention

This section provides guidance on mitigating the CVE-2022-29252 vulnerability.

Immediate Steps to Take

To address the vulnerability, users are advised to edit the

WikiManager.JoinWiki

page according to the recommendations provided in the GitHub Security Advisory.

Long-Term Security Practices

In the long term, organizations should prioritize secure coding practices, input validation, and regular security assessments to prevent future vulnerabilities.

Patching and Updates

It is crucial to apply the necessary patches or updates provided by the vendor to eliminate the vulnerability.