CVE-2026-25200: Samsung MagicINFO 9 Server

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Samsung MagicINFO 9 Server: before 21.1090.1 (fixed in 21.1090.1)

Published 2026-02-02. Last modified 2026-06-17.