KENT-WEB Joyful Note before 5.3 allows remote attackers to delete files or write to files, and consequently execute arbitrary code, via vectors involving an article.
Conclusion & alert: CVE-2015-0889 is rated Moderate Risk (59.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.62%). 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 | 2.10% | 2.62% | +0.53% |
| 2 | 2025-03-30 | 3.42% | 2.10% | -1.32% |
| 3 | 2025-03-29 | — | 3.42% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kent-web | joyful_note | <= 5.21 | cpe:2.3:a:kent-web:joyful_note:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://jvn.jp/en/jp/JVN88862608/index.html | Vendor Advisory |
| http://jvndb.jvn.jp/jvndb/JVNDB-2015-000024 | Vendor Advisory |
| http://www.kent-web.com/bbs/joyful.html | Vendor Advisory |