WebUI. If CVE-2026-44387

Q: What is the CVSS score of CVE-2026-44387?

CVE-2026-44387 has a CVSS 4.0 base score of 5.1 (Medium). CVSS vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/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. EPSS exploitation probability: 0.1%.

EUVD-2026-49724 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-07-28 vultures@jpcert.or.jp

GHSA-8p37-9vwg-qhv8

XSS

5.1

CVSS 4.0 · Vendor: jpcert

Severity by source

Vendor (jpcert) PRIMARY

5.1 MEDIUM

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/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

Primary rating from Vendor (jpcert) · only source for this CVE.

CVSS VectorVendor: jpcert

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Jul 28, 2026 - 09:33 vuln.today

DescriptionCVE.org

ELECOM wireless LAN routers and access points devices contain a reflected cross-site scripting vulnerability in WebUI. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

AnalysisAI

Reflected cross-site scripting in the WebUI of ELECOM wireless LAN routers and access points allows an attacker on the adjacent network to execute arbitrary scripts in the browser of a logged-in user, potentially leading to session hijacking or unauthorized admin actions. The vulnerability is reachable via crafted links and requires user interaction. No known public exploit code or active exploitation reported.