XSS in Qnap Q\'center
CVE-2021-28807
A post-authentication reflected XSS vulnerability has been reported to affect QNAP NAS running Q’center. If exploited, this vulnerability allows remote attackers to inject malicious code. QNAP have already fixed this vulnerability in the f…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.014 (68.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Qnap Q\'center
- Qnap Qts — versions 4.5.3, 4.3.3, 4.3.6
- Qnap Qutscloud — versions c4.5.4
- Qnap Quts_hero — versions h4.5.2
- Qnap Systems Inc. Q’center — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@qnapsecurity.com.tw (x_refsource_MISC, Vendor Advisory)
- security@qnapsecurity.com.tw (Exploit, Third Party Advisory, x_refsource_MISC)
- security@qnapsecurity.com.tw (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-28807?
- CVE-2021-28807 is a high-severity vulnerability in Qnap Q\'center, classified under Cross-site Scripting. CVSS score: 7.7/10. Published 2021-06-03.
- How severe is CVE-2021-28807?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2021-28807 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.