CVE-2026-22895: CWE-79 in QNAP Systems Inc. QuFTP Service
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
AI Analysis
Technical Summary
This vulnerability (CVE-2026-22895) is a CWE-79 cross-site scripting issue affecting QNAP's QuFTP Service. An attacker who already has administrator privileges can exploit this XSS flaw to bypass security controls or access application data improperly. The vulnerability affects specific older versions of QuFTP Service and has been addressed in subsequent patch releases 1.4.3, 1.5.2, and 1.6.2 and later.
Potential Impact
An attacker with administrator privileges can leverage this XSS vulnerability to bypass security mechanisms or read sensitive application data. This could lead to unauthorized actions within the application context or data disclosure. However, exploitation requires prior administrative access, limiting the initial attack surface.
Mitigation Recommendations
The vulnerability has been fixed in QuFTP Service versions 1.4.3, 1.5.2, and 1.6.2 and later. Users should upgrade affected installations from versions 1.4.0, 1.5.0, and 1.6.0 to these patched versions or later to remediate the issue.
CVE-2026-22895: CWE-79 in QNAP Systems Inc. QuFTP Service
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 v4.0
Score 6.2medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-22895) is a CWE-79 cross-site scripting issue affecting QNAP's QuFTP Service. An attacker who already has administrator privileges can exploit this XSS flaw to bypass security controls or access application data improperly. The vulnerability affects specific older versions of QuFTP Service and has been addressed in subsequent patch releases 1.4.3, 1.5.2, and 1.6.2 and later.
Potential Impact
An attacker with administrator privileges can leverage this XSS vulnerability to bypass security mechanisms or read sensitive application data. This could lead to unauthorized actions within the application context or data disclosure. However, exploitation requires prior administrative access, limiting the initial attack surface.
Mitigation Recommendations
The vulnerability has been fixed in QuFTP Service versions 1.4.3, 1.5.2, and 1.6.2 and later. Users should upgrade affected installations from versions 1.4.0, 1.5.0, and 1.6.0 to these patched versions or later to remediate the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qnap
- Date Reserved
- 2026-01-13T07:49:08.783Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 69bdbd93e2bf98efc48d0f63
Added to database: 3/20/2026, 9:35:15 PM
Last enriched: 6/9/2026, 8:09:30 AM
Last updated: 6/18/2026, 3:04:36 AM
Views: 144
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