CVE-2019-25311: Kostasmitroglou Thesystem

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

thesystem version 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts through multiple server data input fields. Attackers can submit crafted script payloads in operating_system, system_owner, system_username, system_password, system_description, and server_name parameters to execute arbitrary JavaScript in victim browsers.

Affected products

Published 2026-02-11. Last modified 2026-06-17.