CVE-2026-47790
Medium
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
SeverityMedium
CVSS6.3
Exploit probability—
ProductQuFTP Service
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- QNAP Systems Inc. QuFTP Service1.4.6, 1.5.5, 1.6.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| QNAP Systems Inc. QuFTP Service | 1.4.x ≤ v < 1.4.6, 1.5.x ≤ v < 1.5.5, 1.6.x ≤ v < 1.6.5 | 1.4.6, 1.5.5, 1.6.5 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.