Directory traversal vulnerability in newpost.php in Ultimate PHP Board (UPB) 1.9.6 and earlier allows remote attackers to overwrite arbitrary files via a .. (dot dot) sequence and trailing null (%00) byte in the id parameter, as demonstrated by injecting a Perl CGI script using "[NR]" sequences in the message parameter, then calling close.php with modified id and t_id parameters to chmod the script. NOTE: this issue might be resultant from dynamic variable evaluation.
Conclusion & alert: CVE-2006-3207 is rated Moderate Risk (43.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.26%). 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 | 0.33% | 1.26% | +0.93% |
| 2 | 2023-03-07 | 1.05% | 0.33% | -0.73% |
| 3 | 2022-02-04 | — | 1.05% | — |
Full EPSS history (3 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 |
|---|---|---|---|
| ultimate_php_board | ultimate_php_board | 1.8 | cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.8:*:*:*:*:*:*:* |
| ultimate_php_board | ultimate_php_board | 1.8.2 | cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.8.2:*:*:*:*:*:*:* |
| ultimate_php_board | ultimate_php_board | 1.9 | cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.9:*:*:*:*:*:*:* |
| ultimate_php_board | ultimate_php_board | 1.9.6 | cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.9.6:*:*:*:*:*:*:* |