Risk Letters
About Sign in ENDA

Exploited vulnerability

CVE-2018-19953

TLP:CLEAR

QNAP NAS File Station Cross-Site Scripting Vulnerability

A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.

Facts

  • Vendor: QNAP
  • Product: Network Attached Storage (NAS)
  • CVSS: 6.1
  • EPSS (probability of exploitation within 30 days): 30.5 %
  • On CISA's Known Exploited Vulnerabilities list since: 24 May 2022
  • First known exploitation: 24 May 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 14 June 2022
  • Weakness: CWE-79
  • First seen by Risk Letters: 24 May 2022

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD

© The Risk Letters 2026 · Privacy policy · Terms of sale · Refund policy