What is the CVSS score of CVE-2020-36932?

CVE-2020-36932 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Seacms are affected by CVE-2020-36932?

Organizations using SeaCMS 11.1 should be aware of moderate risk from CVE-2020-36932, a cross-site scripting vulnerability rated CVSS 6.1.

Is there a public PoC exploit available for CVE-2020-36932?

Yes, a public proof-of-concept exploit is available for CVE-2020-36932. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-36932?

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

Seacms CVE-2020-36932

MEDIUM

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

2026-01-25 disclosure@vulncheck.com

XSS Seacms

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:59 vuln.today

PoC Detected

Feb 02, 2026 - 16:16 vuln.today

Public exploit code

CVE Published

Jan 25, 2026 - 13:15 nvd

MEDIUM 6.1

DescriptionCVE.org

SeaCMS 11.1 contains a stored cross-site scripting vulnerability in the checkuser parameter of the admin settings page. Attackers can inject malicious JavaScript payloads that will execute in users' browsers when the page is loaded.

AnalysisAI

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the checkuser component of Seacms. SeaCMS 11.1 contains a stored cross-site scripting vulnerability in the checkuser parameter of the admin settings page. Attackers can inject malicious JavaScript payloads that will execute in users' browsers when the page is loaded.

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-2020-36932 vulnerability details – vuln.today

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