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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (18.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Seacms — versions 11.1, 0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49251 (Exploit, VDB Entry, exploit)
- www.seacms.net/ (Product, product)
- www.vulncheck.com/advisories/seacms-checkuser-stored-xss (Third Party Advisory, third-party-advisory)
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.