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CVE-2021-28803

Stored XSS Vulnerability in Q'center

MEDIUM
5.4
CVSS Score
Published: July 1, 2021 at 02:00 AM UTC
Updated: June 17, 2026 at 03:46 AM UTC
1 product affected across 1 vendorQ’center

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%

Description

This issue affects: QNAP Systems Inc. Q'center versions prior to 1.11.1004.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Q’center· Qnap
95%
v < 1.11.1004
Affected range stops below 1.11.1004, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.qnap.com/zh-tw/security-advisory/qsa-21-31

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-80CWE-79

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