Vulnerability · CVE-2020-36932
SeaCMS 11.1 contains a stored cross-site scripting vulnerability in the checkuser parameter of the admin settings page.
Published Jan 25, 2026 · catalog updated May 14, 2026 · Seacms SeaCMS
Last checked Nov 5, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2020-36932. EPSS is 0.28%. Act only if a listed version of Seacms SeaCMS is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2019-25778 · High · known exploited
- CVE-2025-10662 · Medium
- CVE-2025-6864 · Medium
- CVE-2025-4257 · Medium
- CVE-2025-4256 · Medium
- Severity
- Medium5.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.28%
- Remediation
- Vendor / distro source
- Affected products
- vendor Seacms SeaCMS 0 ≤11.1
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Seacms SeaCMS 0 ≤11.10 ≤11.1
How to fix CVE-2020-36932
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0 ≤11.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2020-36932. EPSS is 0.28%. Act only if a listed version of Seacms SeaCMS is installed.
Which versions are affected?
Compare what you have installed with Seacms SeaCMS 0 ≤11.1 0 ≤11.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.28%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 25, 2026 · EUVD
Detected
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.
May 14, 2026 · EUVD
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.
Sources
- CVE.orgVulnerability recordCVE-2020-36932
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-36932
30-day exploitation probability 0.28%
first.org - EUVDVulnerability recordEUVD-2026-4635
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.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 5, 2026
- CVE.orgNov 4, 2026
- EUVDNov 2, 2026