CVE-2021-28807
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Post-Authentication Reflected XSS Vulnerability in Q'center
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 following versions of Q’center: QTS 4.5.3: Q’center v1.12.1012 and later QTS 4.3.6: Q’center v1.10.1004 and later QTS 4.3.3: Q’center v1.10.1004 and later QuTS hero h4.5.2: Q’center v1.12.1012 and later QuTScloud c4.5.4: Q’center v1.12.1012 and later
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Q’center
- Vendor
- QNAP Systems Inc.
- Product
- Q’center
- Platforms
- QTS 4.5.3
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | v1.12.1012 | Unavailable | None listed |
Q’center
- Vendor
- QNAP Systems Inc.
- Product
- Q’center
- Platforms
- QTS 4.3.6
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | v1.10.1004 | Unavailable | None listed |
Q’center
- Vendor
- QNAP Systems Inc.
- Product
- Q’center
- Platforms
- QTS 4.3.3
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | v1.10.1004 | Unavailable | None listed |
Q’center
- Vendor
- QNAP Systems Inc.
- Product
- Q’center
- Platforms
- QuTS hero h4.5.2
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | v1.12.1012 | Unavailable | None listed |
Q’center
- Vendor
- QNAP Systems Inc.
- Product
- Q’center
- Platforms
- QuTScloud c4.5.4
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | v1.12.1012 | Unavailable | None listed |