XSS in Seacms

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-36932?
CVE-2020-36932 is a medium-severity vulnerability in Seacms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-01-25.
How severe is CVE-2020-36932?
Medium severity. CVSS v3 base score is 6.1 out of 10.