CVE-2018-0711: QNAP QTS vulnerability

CVE-2018-0711: Cross-site scripting (XSS) vulnerability in QNAP QTS 4.3.3 build 20180126, QTS 4.3.4 build 20180315, and th...

Cross-site scripting (XSS) vulnerability in QNAP QTS 4.3.3 build 20180126, QTS 4.3.4 build 20180315, and their earlier versions could allow remote attackers to inject arbitrary web script or HTML.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 22:20 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2018-0711 is a cross-site scripting issue in QNAP QTS. An attacker could inject web script or HTML into affected NAS software, potentially impacting users who interact with the vulnerable interface. The sources do not provide CVSS scoring or detailed impact conditions. Organizations using QNAP NAS devices with QTS 4.3.3 build 20180126, QTS 4.3.4 build 20180315, or earlier may be exposed, especially where QTS web interfaces are reachable by untrusted users or the internet. Treat this as a moderate remediation item for any QNAP NAS estate. Business urgency rises if NAS management interfaces are internet-facing or accessible by many internal users, because XSS can undermine trusted web sessions. Mitigation focus: Identify all QNAP NAS devices and their QTS versions.; Check QNAP’s advisory for the vendor-supported update path.; Prioritize updating affected QTS 4.3.3 and 4.3.4 builds..

Prepared: Jun 7, 2026, 13:40 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 30, 2018, 13:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://www.qnap.com/zh-tw/security-advisory/nas-201804-27CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

QNAPQTSQTS 4.3.3 build 20180126, QTS 4.3.4 build 20180315 and earlierListed

Weakness

CWE details

No CWE listed

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