CVE-2026-39991
Last modified
CVE-2026-39991 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A cross-site scripting (XSS) vulnerability has been reported to affect Notes Station 3. 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: Notes Station 3 3.9.12 and later. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
Description
A cross-site scripting (XSS) vulnerability has been reported to affect Notes Station 3. 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: Notes Station 3 3.9.12 and later
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | Notes Station 3 | >= 3.9.x, < 3.9.12 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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