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Published: 03/06/2021 Updated: 09/06/2021

CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8

CVSS v3 Base Score: 5.4 | Impact Score: 2.7 | Exploitability Score: 2.3

VMScore: 312

Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

A DOM-based XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows malicious users to inject malicious code. This issue affects: QNAP Systems Inc. QTS versions before 4.5.3.1652 Build 20210428. QNAP Systems Inc. QuTS hero versions prior to h4.5.2.1638 Build 20210414. QNAP Systems Inc. QuTScloud versions prior to c4.5.5.1656 Build 20210503. This issue does not affect: QNAP Systems Inc. QTS 4.3.6; 4.3.3.

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qnap qts
qnap quts hero
qnap qutscloud

CWE-79 https://www.qnap.com/zh-tw/security-advisory/qsa-21-22 https://nvd.nist.gov

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CVE-2021-28806

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