CVE-2026-25200Network attack vector

Account takeover via unauthenticated HTML upload

Published Feb 2, 2026 · Updated Feb 2, 2026

Stored XSS in Samsung Electronics MagicINFO 9 Server before 21.1090.1 allows remote attackers to take over accounts via HTML uploads. The HTML upload path stores attacker-supplied active content without authenticating the request or adequately verifying the input. The path is network reachable without credentials, and the stored content executes in a browser context associated with a MagicINFO account.

CVSS severity9.8
Critical
EPSS probability0.50%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Samsung Electronics MagicINFO 9 Server before 21.1090.1 allows remote attackers to take over accounts via HTML uploads. The HTML upload path stores attacker-supplied active content without authenticating the request or adequately verifying the input. The path is network reachable without credentials, and the stored content executes in a browser context associated with a MagicINFO account.

The record

CVE
CVE-2026-25200
Published
Feb 2, 2026
Updated
Feb 2, 2026
Vendor
Samsung Electronics
Product
MagicINFO 9 Server
Classifications
CWE-434, CAPEC-63, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=21.1090.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Samsung Electronics · MagicINFO 9 Serverversion=21.1090.1

Published CVSS scores

9.8Samsung TV & ApplianceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
CAPEC-63Cross-Site Scripting (XSS)
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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