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CVE Record

CVE-2018-0723: Cross-site scripting (XSS) vulnerability in Q'center Virtual Appliance 1.8.1014 and earlier versions could...

Cross-site scripting (XSS) vulnerability in Q'center Virtual Appliance 1.8.1014 and earlier versions could allow remote attackers to inject Javascript code in the compromised application, a different vulnerability than CVE-2018-0724.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

QNAP Q'center Virtual Appliance 1.8.1014 and earlier has a cross-site scripting flaw. A remote attacker could inject JavaScript into the compromised application. Business impact depends on deployment and user access; the source bundle does not provide CVSS, a fixed version, or known exploitation evidence.

Executive priority

Treat this as a targeted legacy-product exposure check, not an emergency based on current evidence. If affected QNAP Q'center instances are still in use, prioritize vendor-guided remediation and access restriction because XSS can affect administrative sessions and trust in the management application.

Technical view

CVE-2018-0723 is an XSS vulnerability distinct from CVE-2018-0724. Affected scope is Q'center Virtual Appliance 1.8.1014 and earlier. The available data identifies remote JavaScript injection in the application but does not name the input vector, authentication requirement, CWE, CVSS score, or fixed release.

Likely exposure

Likely limited to organizations that deployed QNAP Q'center Virtual Appliance 1.8.1014 or earlier. Exposure is higher if the application is reachable by untrusted users or internet-facing, but the provided sources do not confirm access requirements.

Exploitation context

The bundle provides no evidence of active exploitation, and KEV is false. It does not describe exploit prerequisites, affected parameters, or attacker workflow, so exploitability should be validated through vendor guidance and controlled internal testing only.

Researcher notes

Public detail is sparse. The record confirms product, version range, remote JavaScript injection, and distinction from CVE-2018-0724, but not vector, auth state, fixed build, or severity. Avoid assuming exploitability beyond the stated XSS condition.

Mitigation direction

  • Identify any Q'center Virtual Appliance deployments and record current versions.
  • Prioritize review of instances running version 1.8.1014 or earlier.
  • Check QNAP advisory NAS-201812-26 for vendor-supported remediation guidance.
  • Restrict access to the application to trusted administrative networks where possible.
  • Monitor QNAP security advisories for fixed-version or upgrade information.

Validation and detection

  • Inventory Q'center Virtual Appliance assets and confirm installed versions.
  • Confirm whether any affected application is externally reachable.
  • Review access logs for suspicious script-like input or unexpected application behavior.
  • Check vulnerability management tools for CVE-2018-0723 detection coverage.
  • Document any compensating access controls around affected instances.
Prepared
Confidence
medium
Sources
3

Public sources used

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

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2018-0723 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
QNAPQ'center Virtual ApplianceQ'center Virtual Appliance 1.8.1014 and earlier versionsListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.