WP-Cumulus Plug-in 1.20 for WordPress, and possibly other versions, allows remote attackers to obtain sensitive information via a crafted request to wp-cumulus.php, probably without parameters, which reveals the installation path in an error message.
Conclusion & alert: CVE-2009-4170 is rated High Exploit Risk (71.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.39%, 93th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.42% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 10228 | exploit_db | edb | 2009-11-25 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | 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 | 2026-06-15 | 1.97% | 6.39% | +4.42% |
| 2 | 2025-12-28 | 2.32% | 1.97% | -0.35% |
| 3 | 2025-12-27 | — | 2.32% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| roytanck | wp-cumulus | 1.20 | cpe:2.3:a:roytanck:wp-cumulus:1.20:*:*:*:*:*:*:* |