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CVE-2025-55748: Unauthorized Access to Configuration Files in XWiki Platform

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Overview

This report provides an analysis of the CVE-2025-55748 vulnerability, a high-risk security flaw affecting the XWiki Platform. This flaw allows unauthorized users to access and read configuration files through jsx and sx endpoints. Users of XWiki versions 4.2-milestone-2 through 16.10.6 are potentially at risk and must take immediate action to prevent potential system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-55748
Severity: High (7.5 CVSS score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized access to sensitive information leading to potential system compromise or data leakage.

Affected Products

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Product | Affected Versions

XWiki Platform | 4.2-milestone-2 through 16.10.6

How the Exploit Works

The vulnerability works by exploiting the way the XWiki Platform handles requests through jsx and sx endpoints. By crafting specific URLs, an attacker can bypass security restrictions and gain access to configuration files that are typically restricted. These files can contain sensitive information that could be used for further exploitation of the system.

Conceptual Example Code

Below is a conceptual example of how this vulnerability might be exploited. This HTTP request could potentially access a configuration file:

GET /bin/ssx/Main/WebHome?resource=../../WEB-INF/xwiki.cfg&minify=false HTTP/1.1
Host: localhost:8080

Mitigation

Users of affected XWiki versions are advised to upgrade to version 16.10.7 or later. If an immediate upgrade is not possible, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation measure. Regular monitoring for any suspicious activity is also recommended until a permanent solution is implemented.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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