Cross-site scripting (XSS) vulnerability in KENT-WEB WEB FORUM 5.1 and earlier allows remote attackers to inject arbitrary web script or HTML via vectors related to "the web page to be output."
Conclusion & alert: CVE-2011-3383 is rated Low Risk (35.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.31%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2025-03-30 | 0.35% | 0.31% | -0.04% |
| 2 | 2025-03-29 | 0.31% | 0.35% | +0.04% |
| 3 | 2025-03-17 | — | 0.31% | — |
Full EPSS history (5 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] |
| URL | Tags |
|---|---|
| http://jvn.jp/en/jp/JVN36684331/index.html | Third Party Advisory VDB Entry |
| http://jvndb.jvn.jp/jvndb/JVNDB-2011-000080 | Third Party Advisory VDB Entry |