What is the CVSS score of CVE-2020-36956?

CVE-2020-36956 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 Node.js are affected by CVE-2020-36956?

Organizations using the nodejs plugin that allows attackers to inject malicious scripts should be aware of moderate risk from CVE-2020-36956, a cross-site scripting vulnerability rated CVSS 6.4.

Is there a public PoC exploit available for CVE-2020-36956?

Yes, a public proof-of-concept exploit is available for CVE-2020-36956. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-36956?

Within 30 days: Identify affected systems running the nodejs plugin that allows attackers to inject malicious and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Node.js CVE-2020-36956

MEDIUM

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

2026-01-26 disclosure@vulncheck.com

Node.js XSS

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 - 22:00 vuln.today

PoC Detected

Jan 27, 2026 - 14:59 vuln.today

Public exploit code

CVE Published

Jan 26, 2026 - 18:16 nvd

MEDIUM 6.4

DescriptionCVE.org

Openfire 4.6.0 contains a stored cross-site scripting vulnerability in the nodejs plugin that allows attackers to inject malicious scripts through the 'path' parameter. Attackers can craft a payload with script tags to execute arbitrary JavaScript in the context of administrative users viewing the nodejs configuration page.

AnalysisAI

Openfire 4.6.0 contains a stored cross-site scripting vulnerability in the nodejs plugin that allows attackers to inject malicious scripts through the 'path' parameter. [CVSS 6.4 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects nodejs plugin. Openfire 4.6.0 contains a stored cross-site scripting vulnerability in the nodejs plugin that allows attackers to inject malicious scripts through the 'path' parameter. Attackers can craft a payload with script tags to execute arbitrary JavaScript in the context of administrative users viewing the nodejs configuration page.

Affected ProductsAI

Product: nodejs plugin.

RemediationAI

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