What is CVE-2026-25200?

CVE-2026-25200 is a critical-severity vulnerability in Samsung Magicinfo_9_server, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-02-02.

How severe is CVE-2026-25200?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Samsung Magicinfo_9_server

CVE-2026-25200

A vulnerability in MagicInfo9 Server allows authorized users to upload HTML files without authentication, leading to Stored XSS, which can result in account takeover This issue affects MagicINFO 9 Server: less than 21.1090.1.

Vulnerability class: Unrestricted File Upload

EPSS: 0.005 (39.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Samsung Magicinfo_9_server
Samsung Electronics Magicinfo 9 Server — versions 21.1090.1

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

PSIRT@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-25200?: CVE-2026-25200 is a critical-severity vulnerability in Samsung Magicinfo_9_server, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-02-02.
How severe is CVE-2026-25200?: Critical severity. CVSS v3 base score is 9.8 out of 10.