Medium severity · published Mar 20, 2026
CVE-2026-22895
A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service
4.8
CVSS
0.2%
EPSS
No
On KEV
Description
A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data.
We have already fixed the vulnerability in the following versions:
QuFTP Service 1.4.3 and later
QuFTP Service 1.5.2 and later
QuFTP Service 1.6.2 and later
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QU
Quftp · Qnap
before 1.4.3; 1.5.0 before 1.5.2; 1.6.0 before 1.6.2 · source: NVD