MEDIUMCVSS v4 4.8Vulnerability

CVE-2026-39991

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

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Cvss severity
MEDIUM
Cvss score
4.8
Epss score
0.00293
Retrieved at
2026-10-21T01:24:49+00:00
Last source
FIRST EPSS
Cvss version
4.0
Score
4.8
Cve id
CVE-2026-39991
Cvss vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published at
2026-10-15T10:17:14.073
Last modified
2026-10-15T16:32:39.893
Epss percentile
0.2058

Related Entities (1)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-39991 (CVSS v4 4.8) — Ninja Signal Threat Intelligence | Ninja Signal