CVE-2020-36932

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 v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/49251	Exploit VDB Entry
https://www.seacms.net/	Product
https://www.vulncheck.com/advisories/seacms-checkuser-stored-xss	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:seacms:seacms:11.1:*:*:*:*:*:*:*

History

17 Jun 2026, 03:16

Type	Values Removed	Values Added
Summary		(es) SeaCMS 11.1 contiene una vulnerabilidad de cross-site scripting almacenado en el parámetro checkuser de la página de configuración de administrador. Los atacantes pueden inyectar cargas útiles de JavaScript maliciosas que se ejecutarán en los navegadores de los usuarios cuando se cargue la página.

02 Feb 2026, 16:16

Type	Values Removed	Values Added
References	~~() https://www.exploit-db.com/exploits/49251 - Exploit, Third Party Advisory, VDB Entry~~	() https://www.exploit-db.com/exploits/49251 - Exploit, VDB Entry
CVSS	v2 : ~~unknown~~ v3 : ~~6.4~~	v2 : unknown v3 : 6.1

28 Jan 2026, 17:52

Type	Values Removed	Values Added
CPE		cpe:2.3:a:seacms:seacms:11.1:::::::*
First Time		Seacms Seacms seacms
References	~~() https://www.exploit-db.com/exploits/49251 -~~	() https://www.exploit-db.com/exploits/49251 - Exploit, Third Party Advisory, VDB Entry
References	~~() https://www.seacms.net/ -~~	() https://www.seacms.net/ - Product
References	~~() https://www.vulncheck.com/advisories/seacms-checkuser-stored-xss -~~	() https://www.vulncheck.com/advisories/seacms-checkuser-stored-xss - Third Party Advisory

25 Jan 2026, 13:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-25 13:15

Updated : 2026-06-17 03:16

NVD link : CVE-2020-36932

Mitre link : CVE-2020-36932

CVE.ORG link : CVE-2020-36932

JSON object : View

Products Affected

seacms

seacms

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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