Stored XSS in QNAP QTS and QuTS hero

Compliance Impact

The vulnerability is a cross-site scripting (XSS) issue that allows remote attackers to bypass security mechanisms or read application data. Such unauthorized access or data exposure could potentially impact compliance with data protection regulations like GDPR or HIPAA, which require safeguarding personal and sensitive information against unauthorized access.

However, the provided information does not explicitly describe the direct effects on compliance with these standards or regulations.

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Executive Summary

This vulnerability is a cross-site scripting (XSS) issue affecting several versions of the QNAP operating system. It allows remote attackers to exploit the vulnerability to bypass security mechanisms or read application data.

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Impact Analysis

The impact of this vulnerability includes the potential for attackers to bypass security controls and access sensitive application data remotely. This could lead to unauthorized data exposure or manipulation.

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Mitigation Strategies

To mitigate this vulnerability, you should update your QNAP operating system to the fixed versions provided by the vendor.

• For QTS, update to version 5.2.9.3492 build 20260507 or later.
• For QuTS hero, update to version h5.2.9.3499 build 20260514 or later.
• Alternatively, update to QuTS hero h5.3.4.3500 build 20260520 or later.
• Or update to QuTS hero h6.0.0.3500 build 20260520 or later.

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