Multiple unrestricted file upload vulnerabilities in Kusaba 1.0.4 and earlier allow remote authenticated users to execute arbitrary code by uploading a file with an executable extension using (1) load_receiver.php or (2) a shipainter action to paint_save.php, then accessing the uploaded file via a direct request to this file in their user directory.
Conclusion & alert: CVE-2008-5663 is rated High Exploit Risk (84.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 11.39%, 93th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 6711 | exploit_db | edb | 2008-10-09 | Exploit-DB ↗ |
| 6706 | exploit_db | edb | 2008-10-09 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-07 | 10.58% | 11.39% | +0.81% |
| 2 | 2025-12-18 | 11.27% | 10.58% | -0.70% |
| 3 | 2025-12-16 | — | 11.27% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |