Open redirect vulnerability in Pleasanter 1.3.47.0 and earlier allows a remote unauthenticated attacker to redirect users to arbitrary web sites via a specially crafted URL.
Conclusion & alert: CVE-2023-46688 is rated Moderate Risk (49.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.63%). 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 | 2026-03-04 | 0.32% | 0.63% | +0.31% |
| 2 | 2025-11-21 | 0.45% | 0.32% | -0.12% |
| 3 | 2025-11-18 | — | 0.45% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| pleasanter | pleasanter | <= 1.3.47.0 | cpe:2.3:a:pleasanter:pleasanter:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN96209256/ | Third Party Advisory |
| https://pleasanter.org/archives/vulnerability-update-202311 | Vendor Advisory |