An XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to inject malicious code. This issue affects: QNAP Systems Inc. QTS versions prior to 184.108.40.2066 Build 20210202. QNAP Systems Inc. QuTS hero versions prior to h220.127.116.118 build 20210414. This issue does not affect: QNAP Systems Inc. QTS 4.5.3.