Seacms 11.1 - 'checkuser' Stored XSS
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00278 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36932
- 2026-10-03 Alias added: GHSA-98f4-2wgg-m2jf
References
Exploit 1
More Seacms vulnerabilities
- TI-2025-21155 SeaCMS v13.3 has a SQL injection vulnerability in the component admin_tempvideo.php. CVSS 3.1CRITICAL 9.8
- TI-2025-19037 Seacms <=13.3 is vulnerable to SQL Injection in admin_type_news.php. CVSS 3.1CRITICAL 9.8
- TI-2025-19036 Seacms <13.3 is vulnerable to SQL Injection in admin_pay.php. CVSS 3.1CRITICAL 9.8
- TI-2025-19035 Seacms <=13.3 is vulnerable to SQL Injection in admin_zyk.php. CVSS 3.1CRITICAL 9.8
- TI-2025-19034 Seacms <=13.3 is vulnerable to SQL Injection in admin_reslib.php. CVSS 3.1CRITICAL 9.8
- TI-2025-19033 Seacms <=13.3 is vulnerable to SQL Injection in admin_paylog.php. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-36932 · CVE Program
- CVE-2020-36932 · NVD
- FIRST EPSS
- GHSA-98f4-2wgg-m2jf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences