Medium severity · published Oct 15, 2026
CVE-2026-22896
Stored XSS via Interface Name in Network & Virtual Switch App
6.2
CVSS
0.4%
EPSS
No
On KEV
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
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NV
Network & Virtual Switch · QNAP Systems Inc.
QTS 5.1.x before QTS 5.1.8.2823 build 20240712; QTS 5.2.x before QTS 5.2.1.2930 build 20241025; QuTS cloud c5.2.x before QuTS cloud c5.2.4.3041 build 20250211; QuTS hero h5.1.x before QuTS hero h5.1.8.2823 build 20240712; QuTS hero h5.2.x before QuTS hero h5.2.1.2929 build 20241025 · source: vendor