CVE-2020-36932

MEDIUM
2026-01-25 [email protected]
6.1
CVSS 3.1
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CVSS Vector

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

3
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

Tags

XSS Seacms

Description

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.

Analysis

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. [CVSS 6.1 MEDIUM]

Technical Context

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.

Affected Products

Vendor: Seacms. Product: Seacms. Versions: up to 11.1. Component: checkuser.

Remediation

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

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: +20

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CVE-2020-36932 vulnerability details – vuln.today
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