CVE-2020-36932: Seacms 11.1 - 'checkuser' Stored XSS

Published Jan 25, 2026
·
Updated

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 Software

2 affected components
SEACMS SEACMS
SEACMS SEACMS=11.1

Event History

Jan 25, 2026
CVE Published
via MITRE·01:04 PM
Data Sourced
via MITRE·01:04 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software
Aug 22, 58235
Event
via NVD·02:32 AM

Frequently Asked Questions

1

What is the severity of CVE-2020-36932?

CVE-2020-36932 is classified as a medium severity vulnerability due to the potential for stored cross-site scripting attacks.

2

How do I fix CVE-2020-36932?

To fix CVE-2020-36932, it is recommended to sanitize user inputs on the admin settings page and apply security patches from SeaCMS.

3

Who is affected by CVE-2020-36932?

CVE-2020-36932 affects SeaCMS version 11.1 specifically in the admin settings checkuser parameter.

4

What types of attacks can exploit CVE-2020-36932?

CVE-2020-36932 can be exploited by attackers to inject malicious JavaScript that executes in users' browsers.

5

What should I do if I suspect an exploit of CVE-2020-36932?

If you suspect an exploit of CVE-2020-36932, immediately review your logs, update to the latest version of SeaCMS, and implement proper input validation controls.

Contact

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132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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