What’s Vulnerable › Vulnerabilities

CVE-2019-25311: thesystem Persistent XSS

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-11 · updated 2026-06-17
• Weakness: CWE-79

Description

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

• kostasmitroglou thesystem: 1.0.0

References

• https://github.com/kostasmitroglou/thesystem
• https://www.exploit-db.com/exploits/47440
• https://www.vulncheck.com/advisories/thesystem-persistent-xss

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