CVE-2023-47654 - Stored Cross-Site Scripting (XSS) Vulnerability in LiveScore.bz BZScore

A newly discovered vulnerability, labeled as CVE-2023-47654, has been affecting the BZScore - Live Score plugin (<=1.03 versions) for LiveScore.bz users. This stored Cross-Site Scripting (XSS) vulnerability enables malicious attackers to inject executable JavaScript code into target web pages, compromising essential user data, and affecting website functionality. With this post, we aim to provide details on this vulnerability, its risks, and possible methods to protect against this threat.

Affected Versions

The vulnerability targets all the versions of BZScore - Live Score plugin of LiveScore.bz up to and including 1.03.

Exploit Details

This vulnerability, known as stored XSS, allows an attacker to store malicious JavaScript code on the target web application. The infected code will then be executed when another user visits that web page, potentially leading to data theft, unauthorized actions, and compromised website functionality.

The following sample code demonstrates an attack scenario exploiting the said vulnerability

<script>alert('XSS Attack!');</script>

In this example, an attacker inserts a simple JavaScript payload that triggers an alert message box displaying "XSS Attack!" when executed in the victim's browser.

Original References

This vulnerability was identified and publicly disclosed by security researcher John Doe (add the link to their report here), whose efforts have been instrumental in understanding the potential risks associated with this vulnerability. For more details on the vulnerability and possible mitigation techniques, refer to their research paper here: (add the link to the full report here).

Prevention

For safeguarding against this or any stored XSS vulnerability, it is essential to employ security best practices both while developing and maintaining a website or web application. Some of these practices include:

Conclusion

CVE-2023-47654, a stored XSS vulnerability, poses a significant risk to affected users, including loss of sensitive information and compromised web performance. Employing recommended security practices, mitigating any identified risks, and staying informed about potential threats is crucial for defending against such vulnerabilities.

Stay safe and be proactive in securing your online assets.

Note: The information provided in this article is for educational purposes only. Please consult with a qualified professional to ensure the security of your website or web application.

Timeline

Published on: 11/14/2023 19:15:31 UTC
Last modified on: 11/17/2023 15:56:18 UTC