title: Reflected XSS
description: A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QTS, QuTS hero and QuTScloud. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QTS, QuTS hero and QuTScloud: QTS 4.5.4.1991 build 20220329 and later QTS 5.0.0.1986 build 20220324 and later QuTS hero h5.0.0.1986 build 20220324 and later QuTS hero h4.5.4.1971 build 20220310 and later QuTScloud c5.0.1.1949 and later
problem types: CWE-79
affected:
{
product: QTS
vendor: QNAP Systems Inc.
versions:
lessThan: 4.5.4.1991 build 20220329, status: affected, version: unspecified, versionType: custom
lessThan: 5.0.0.1986 build 20220324, status: affected, version: unspecified, versionType: custom
}
{
product: QuTS hero
vendor: QNAP Systems Inc.
versions:
lessThan: h5.0.0.1986 build 20220324, status: affected, version: unspecified, versionType: custom
lessThan: h4.5.4.1971 build 20220310, status: affected, version: unspecified, versionType: custom
}
{
product: QuTScloud
vendor: QNAP Systems Inc.
versions:
lessThan: c5.0.1.1949, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.7
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
version: 3.1
]
solutions: We have already fixed this vulnerability in the following versions of QTS, QuTS hero and QuTScloud:
QTS 4.5.4.1991 build 20220329 and later
QTS 5.0.0.1986 build 20220324 and later
QuTS hero h5.0.0.1986 build 20220324 and later
QuTS hero h4.5.4.1971 build 20220310 and later
QuTScloud c5.0.1.1949 and later