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  4. CVE 2026 47790 privilege escalation via quftp log based xss
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Back to active CVEs
Medium · CVSS 6.3CVE-2026-47790

Privilege Escalation via QuFTP Log-based XSSCVE-2026-47790

Answer in brief

CVE-2026-47790 records a Medium severity (CVSS 6.3) vulnerability in Privilege Escalation via QuFTP Log-based XSS. The current sources do not mark it as known exploited. The current feed maps QNAP Systems Inc./QuFTP Service (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 15, 2026Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps QNAP Systems Inc./QuFTP Service (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
QNAP Systems Inc./QuFTP Servicegeneric>=1.4.x <1.4.6 || >=1.5.x <1.5.5 || >=1.6.x <1.6.51.4.6, 1.5.5, 1.6.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for QNAP Systems Inc./QuFTP Service.
  2. 2Review the reported fix. Source-reported solution: We have already fixed the vulnerability in the following version: QuFTP Service 1.4.6 and later QuFTP Service 1.5.5 and later QuFTP Service 1.6.5 and later

Evidence timeline and material changes

  1. Published upstream

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • Source referenceqnap.com
Upstream source description

A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version: QuFTP Service 1.4.6 and later QuFTP Service 1.5.5 and later QuFTP Service 1.6.5 and later

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Stored Cross-Site Scripting (XSS) in Note Station file upload functionalityAlso CWE-79
  • Steve doesn’t verify a server’s certificate and is susceptible to man-in-the-middle (MitM) attacksSame generic ecosystem
  • Rancher users who can create Projects can gain access to arbitrary projectsSame generic ecosystem
  • Fleet doesn’t validate a server’s certificate when connecting through SSHSame generic ecosystem
  • Authentication bypass in Stela by Diaple NetworkingSame generic ecosystem
  • CVE-2026-101290Same generic ecosystem

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 15, 2026
References
1 linked source
Open source record