What is the CVSS score of CVE-2019-25311?

CVE-2019-25311 has a CVSS 3.1 base score of 6.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Thesystem are affected by CVE-2019-25311?

Organizations using thesystem version 1.0 should be aware of moderate risk from CVE-2019-25311, a cross-site scripting vulnerability rated CVSS 6.4.

Is there a public PoC exploit available for CVE-2019-25311?

Yes, a public proof-of-concept exploit is available for CVE-2019-25311. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2019-25311?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Thesystem CVE-2019-25311

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-02-11 disclosure@vulncheck.com

XSS Thesystem

6.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.4 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

PoC Detected

Mar 12, 2026 - 18:52 vuln.today

Public exploit code

CVE Published

Feb 11, 2026 - 15:16 nvd

MEDIUM 6.4

DescriptionCVE.org

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.

AnalysisAI

thesystem version 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts through multiple server data input fields. [CVSS 6.4 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Thesystem. 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.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

CVE-2019-25311 vulnerability details – vuln.today

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