Multiple PHP remote file inclusion vulnerabilities in Yet Another Community System (YACS) CMS 6.6.1 allow remote attackers to execute arbitrary PHP code via a URL in the context[path_to_root] parameter in (1) articles/populate.php, (2) categories/category.php, (3) categories/populate.php, (4) comments/populate.php, (5) files/file.php, (6) sections/section.php, (7) sections/populate.php, (8) tables/populate.php, (9) users/user.php, and (10) users/populate.php. The articles/article.php vector is covered by CVE-2006-4532.
Conclusion & alert: CVE-2006-4559 is rated High Exploit Risk (78.3/100): CVSS High severity, with high exploitation likelihood (EPSS 8.16%, 92th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.09% 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 |
|---|---|---|---|---|
| 2282 | exploit_db | edb | 2006-08-31 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | 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 | 2026-01-17 | 7.07% | 8.16% | +1.09% |
| 2 | 2025-08-09 | 6.89% | 7.07% | +0.18% |
| 3 | 2025-04-25 | — | 6.89% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2006-4559: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-4559 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| bernard_pacques | yet_another_community_system_cms | 6.6.1 | cpe:2.3:a:bernard_pacques:yet_another_community_system_cms:6.6.1:*:*:*:*:*:*:* |