CVE-2026-22896
A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch.
Does this matter?
Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.
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
- CVSS 4.0
- 6.2 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.36% probability · 30th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Source
- security@qnapsecurity.com.tw
EPSS moved from 0.4% on 15 October 2026 to 0.4% on 26 October 2026.
References
- https://www.qnap.com/en/release-notes/qts/5.1.8.2823/20240712
- https://www.qnap.com/en/release-notes/qts/5.2.1.2930/20241025
- https://www.qnap.com/en/release-notes/quts_hero/h5.1.8.2823/20240712
- https://www.qnap.com/en/release-notes/quts_hero/h5.2.1.2929/20241025
- https://www.qnap.com/en/release-notes/qutscloud/c5.2.4.3041/20250211
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.