What is the CVSS score of CVE-2020-36998?

CVE-2020-36998 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%.

Is there a public PoC exploit available for CVE-2020-36998?

Yes, a public proof-of-concept exploit is available for CVE-2020-36998. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-36998?

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

CVE-2020-36998

MEDIUM

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

2026-01-30 disclosure@vulncheck.com

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

Feb 04, 2026 - 16:34 vuln.today

Public exploit code

CVE Published

Jan 30, 2026 - 17:16 nvd

MEDIUM 6.4

DescriptionCVE.org

Forma.lms The E-Learning Suite 2.3.0.2 contains a persistent cross-site scripting vulnerability in multiple course and profile parameters. Attackers can inject malicious scripts in course code, name, description fields, and email parameter to execute arbitrary JavaScript without proper input sanitization.

AnalysisAI

Forma.lms The E-Learning Suite 2.3.0.2 contains a persistent cross-site scripting vulnerability in multiple course and profile parameters. [CVSS 6.4 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Forma.lms The E-Learning Suite 2.3.0.2 contains a persistent cross-site scripting vulnerability in multiple course and profile parameters. Attackers can inject malicious scripts in course code, name, description fields, and email parameter to execute arbitrary JavaScript without proper input sanitization.

Affected ProductsAI

Component: multiple course and profile.

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-2020-36998 vulnerability details – vuln.today

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