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Medium severity5.7NVD Advisory· Published May 5, 2022· Updated Jun 17, 2026

CVE-2021-44053

CVE-2021-44053

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

21
  • QNAP Systems Inc./QTSv5
    Range: unspecified
  • QNAP Systems Inc./QuTS herov5
    Range: unspecified
  • QNAP Systems Inc./QuTScloudv5
    Range: unspecified
  • Qnap/QuTScloudllm-fuzzy2 versions
    QuTScloud c5.0.1.1949 and later+ 1 more
    • (no CPE)range: QuTScloud c5.0.1.1949 and later
    • cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*range: <c5.0.1.1998
  • Qnap/Qtsllm-fuzzy14 versions
    QTS 4.5.4.1991 build 20220329 and later, QTS 5.0.0.1986 build 20220324 and later+ 13 more
    • (no CPE)range: QTS 4.5.4.1991 build 20220329 and later, QTS 5.0.0.1986 build 20220324 and later
    • cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:*range: >=5.0.0.1716,<5.0.0.1986
    • cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*range: >=4.3.3.0174,<4.3.3.1945
    • cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20200109:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20200421:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20200611:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20200821:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20210327:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.2.6:build_20211215:*:*:*:*:*:*
  • Qnap/Quts Herollm-fuzzy2 versions
    QuTS hero h5.0.0.1986 build 20220324 and later, QuTS hero h4.5.4.1971 build 20220310 and later+ 1 more
    • (no CPE)range: QuTS hero h5.0.0.1986 build 20220324 and later, QuTS hero h4.5.4.1971 build 20220310 and later
    • cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*range: <h4.5.4.1771

Patches

Vulnerability mechanics

References

1

News mentions

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