Cross-site scripting (XSS) vulnerability in Nucleus EUC-JP 3.31 SP1 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Conclusion & alert: CVE-2008-4446 is rated Moderate Risk (43.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.57%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 0.86% | 1.57% | +0.71% |
| 2 | 2025-03-30 | 0.53% | 0.86% | +0.34% |
| 3 | 2025-03-29 | — | 0.53% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nucleus_cms | nucleus | <= 3.31 | cpe:2.3:a:nucleus_cms:nucleus:*:sp1:*:ja:*:*:*:* |
| URL | Tags |
|---|---|
| http://japan.nucleuscms.org/bb/viewtopic.php?t=4131 | Issue Tracking Vendor Advisory |
| http://japan.nucleuscms.org/item/47 | Vendor Advisory |
| http://jvn.jp/en/jp/JVN92651529/index.html | Third Party Advisory VDB Entry |
| http://jvndb.jvn.jp/en/contents/2008/JVNDB-2008-000066.html | Third Party Advisory VDB Entry |
| http://secunia.com/advisories/32123 | Third Party Advisory |
| http://www.securityfocus.com/bid/31590 | Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/45666 | Third Party Advisory VDB Entry |