Session fixation vulnerability in phpFreeChat 1.1 allows remote authenticated users to hijack web sessions by setting the session_id parameter to match the victim's nickid parameter.
Conclusion & alert: CVE-2008-3428 is rated Moderate Risk (48.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.16%). 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 | 0.42% | 1.16% | +0.73% |
| 2 | 2025-03-30 | 0.46% | 0.42% | -0.03% |
| 3 | 2025-03-29 | — | 0.46% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta10:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta11:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta2:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta3:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta4:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta5:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta6:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta7:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta8:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:beta9:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.0 | cpe:2.3:a:phpfreechat:phpfreechat:1.0:final:*:*:*:*:*:* |
| phpfreechat | phpfreechat | 1.1 | cpe:2.3:a:phpfreechat:phpfreechat:1.1:*:*:*:*:*:*:* |