CVE-2022-24820 : What You Need to Know

XWiki Platform has a vulnerability that allows an unauthenticated user to list hidden documents by rendering specific velocity templates. Learn about the impact, technical details, and mitigation steps below.

Understanding CVE-2022-24820

This CVE affects XWiki Platform versions prior to 8.4.5, 10.11.8, 11.3.1, and 13.6-rc-1. The issue has been patched in versions 12.10.11, 13.4.4, and 13.9-rc-1.

What is CVE-2022-24820?

XWiki Platform allows unauthorized access to hidden documents by exploiting velocity templates, exposing private information to unauthorized users.

The Impact of CVE-2022-24820

With a CVSS base score of 5.3 (Medium severity), this vulnerability can be exploited by unauthenticated users to access sensitive data stored within XWiki Platform.

Technical Details of CVE-2022-24820

Vulnerability Description

The flaw allows guest users without view permissions to list documents by exploiting certain velocity templates, potentially exposing private information.

Affected Systems and Versions

XWiki Platform versions below 8.4.5, 10.11.8, 11.3.1, and 13.6-rc-1 are vulnerable to this exploit.

Exploitation Mechanism

Unauthenticated users can exploit the vulnerability through velocity templates to bypass access controls and view hidden documents.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to update XWiki Platform to patched versions 12.10.11, 13.4.4, or 13.9-rc-1 to mitigate the vulnerability.

Long-Term Security Practices

Regularly monitor security advisories and apply patches promptly to prevent unauthorized access to sensitive information.

Patching and Updates

It is crucial to stay updated with the latest security patches and releases from XWiki to prevent potential exploitation of this vulnerability.