Critical · published February 2, 2026
🚨 An authorized user can exploit a sneaky gap to upload HTML files directly to the MagicInfo9 Server, bypassing authentication completely! 🔥 It's like a trusted hotel guest slipping a mysterious package under the front desk without anyone checking it — before you know it, that package could unleash chaos in the lobby! Imagine an attacker leveraging this vulnerability to inject malicious scripts that steal user credentials or take over accounts entirely. This could lead to an absolute nightmare for your users and your organization's reputation!
It's like a trusted hotel guest slipping a mysterious package under the front desk without anyone checking it — before you know it, that package could unleash chaos in the lobby! This Stored XSS vulnerability occurs because MagicInfo9 Server allows users to upload HTML files without proper authentication checks, letting attackers input malicious scripts directly into the system.
Imagine an attacker leveraging this vulnerability to inject malicious scripts that steal user credentials or take over accounts entirely. This could lead to an absolute nightmare for your users and your organization's reputation! To protect your system, urgently update MagicInfo9 Server to version 21.1090.1 or later. Additionally, consider implementing strict file type validation for uploads to further safeguard against similar vulnerabilities. Don't wait — act now! You've got this! Keep your users safe and secure with these steps! 🛡️