cbcvebase.
CVE-2021-28806
published 2021-06-03

CVE-2021-28806: A DOM-based XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to inject…

PriorityP427medium5.4CVSS 3.1
AVNACLPRLUIRSCCLILAN
EPSS
0.51%
39.4th percentile
A DOM-based 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 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.

Affected

6 ranges
VendorProductVersion rangeFixed in
qnapqts< 4.5.3.16524.5.3.1652
qnapquts_hero< h4.5.2.1638h4.5.2.1638
qnapqutscloud< c4.5.5.1656c4.5.5.1656
qnap_systems_incqts>= unspecified < 4.5.3.1652 Build 202104284.5.3.1652 Build 20210428
qnap_systems_incquts_hero>= unspecified < h4.5.2.1638 Build 20210414h4.5.2.1638 Build 20210414
qnap_systems_incqutscloud>= unspecified < c4.5.5.1656 Build 20210503c4.5.5.1656 Build 20210503

CVSS provenance

nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:P/A:N
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.