What is the CVSS score of CVE-2026-25200?

CVE-2026-25200 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Magicinfo 9 Server are affected by CVE-2026-25200?

A critical vulnerability in MagicInfo9 Server versions below 21.1090.1 allows authenticated users to upload malicious HTML files that execute in other users' browsers, potentially leading to account…

How to fix or mitigate CVE-2026-25200?

Within 24 hours: Identify all MagicInfo9 Server instances and document current versions; restrict file upload functionality to administrators only and disable HTML file uploads where possible. Within 7 days: Implement network-level controls to limit access to MagicInfo9 servers; monitor for suspicious file uploads and account activity; communicate incident response procedures to affected teams. Within 30 days: Upgrade all instances to version 21.1090.1 or later when available; conduct security audit of uploaded files; review and strengthen authentication controls and access permissions.

Magicinfo 9 Server CVE-2026-25200

CRITICAL

Unrestricted Upload of File with Dangerous Type (CWE-434)

2026-02-02 PSIRT@samsung.com

File Upload XSS Magicinfo 9 Server

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:01 vuln.today

CVE Published

Feb 02, 2026 - 05:16 nvd

CRITICAL 9.8

DescriptionCVE.org

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.