The (1) updateuser.php and (2) forums_prune.php scripts in PHP-Fusion 4.00 allow remote attackers to obtain sensitive information via a direct HTTP request, which reveals the installation path in an error message.
Conclusion & alert: CVE-2004-1723 is rated Moderate Risk (43.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.21%). 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 | 0.35% | 1.21% | +0.87% |
| 2 | 2025-03-30 | 0.39% | 0.35% | -0.04% |
| 3 | 2025-03-29 | — | 0.39% | — |
Full EPSS history (7 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 |
|---|---|---|---|
| php_fusion | php_fusion | 4.00 | cpe:2.3:a:php_fusion:php_fusion:4.00:*:*:*:*:*:*:* |