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.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsNone
PrivilegesLow
User InteractionPassive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityLow
IntegrityLow
AvailabilityNone
Subsequent System
ConfidentialityLow
IntegrityLow
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | cve.org | initial, patch: Unavailable | 1.2 |
Affected Software
| Vendor | Product | Version |
|---|
| Seacms | Seacms | ≤ 11.1 |
| seacms | seacms | 11.1 |
Published: 2026-01-25
