Variable overwrite vulnerability in David Bennett PHP-Post (PHPp) 1.0 and earlier allows remote attackers to overwrite arbitrary program variables via multiple vectors that use the extract function, as demonstrated by the table_prefix parameter in (1) index.php, (2) profile.php, and (3) header.php.
Conclusion & alert: CVE-2006-4877 is rated High Exploit Risk (72.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 12.62%, 94th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.65% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 28591 | exploit_db | edb | 2006-09-16 | Exploit-DB ↗ |
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 | 2026-04-12 | 7.97% | 12.62% | +4.65% |
| 2 | 2026-03-26 | 7.18% | 7.97% | +0.79% |
| 3 | 2026-03-02 | — | 7.18% | — |
Full EPSS history (12 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 |
|---|---|---|---|
| david_bennett | php-post | <= 1.0 | cpe:2.3:a:david_bennett:php-post:*:*:*:*:*:*:*:* |