CVE-2026-39991
Stored Cross-Site Scripting (XSS) in Note Station file upload functionality
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
CVSS 4.0 · 4.8 Medium
EPSS < 1%
KEV · Not listed
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