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CVE-2023-50366

QTS, QuTS hero

MEDIUM
4.8
CVSS Score
Published: September 6, 2024 at 04:25 PM UTC
Updated: June 17, 2026 at 06:39 AM UTC
2 products affected across 1 vendorQTSQuTS hero

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to inject malicious code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later

Affected

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

QTS· Qnap
95%
5.1.x ≤ v < 5.1.6.2722 build 202404025.1.0.2348 build_202303255.1.0.2399 build_202305155.1.0.2418 build_202306035.1.0.2444 build_202306295.1.0.2466 build_202307215.1.1.2491 build_202308155.1.2.2533 build_202309265.1.3.2578 build_202311105.1.4.2596 build_202311285.1.5.2645 build_202401165.1.5.2679 build_202402195.1.x
Affected range stops below 5.1.6.2722 build 20240402, so it looks safe — our inference, not a vendor statement
QuTS hero· Qnap
95%
h5.1.x ≤ v < h5.1.6.2734 build 20240414h5.1.0.2409 build_20230525h5.1.0.2424 build_20230609h5.1.0.2453 build_20230708h5.1.0.2466 build_20230721h5.1.1.2488 build_20230812h5.1.2.2534 build_20230927h5.1.3.2578 build_20231110h5.1.4.2596 build_20231128h5.1.5.2647 build_20240118h5.1.5.2680 build_20240220h5.1.x
Affected range stops below h5.1.6.2734 build 20240414, 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)

Vendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-24-20

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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