Vulnerability · Published Oct 15, 2026 · Assigned by qnap

CVE-2026-22896Stored XSS via Interface Name in Network & Virtual Switch App

Medium 6.2

In plain English

A medium-severity cross-site scripting in Network & Virtual Switch from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 4.0)6.2Medium
Exploit odds (30 days)0.4%top 70.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version: Network & Virtual Switch in QTS 5.1.8.2823 build 20240712 and later Network & Virtual Switch in QTS 5.2.1.2930 build 20241025 and later Network & Virtual Switch in QuTS cloud c5.2.4.3041 build 20250211 and later Network & Virtual Switch in QuTS hero h5.1.8.2823 build 20240712 and later Network & Virtual Switch in QuTS hero h5.2.1.2929 build 20241025 and later

Affected products (as reported)

VendorProductVersions
QNAP Systems Inc. Network & Virtual Switch QTS 5.1.x – before QTS 5.1.8.2823 build 20240712QTS 5.2.x – before QTS 5.2.1.2930 build 20241025QuTS cloud c5.2.x – before QuTS cloud c5.2.4.3041 build 20250211QuTS hero h5.1.x – before QuTS hero h5.1.8.2823 build 20240712QuTS hero h5.2.x – before QuTS hero h5.2.1.2929 build 20241025

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

References