PHP remote file inclusion vulnerability in includes/functions_user_viewed_posts.php in the Nivisec User Viewed Posts Tracker module 1.0 and earlier for phpBB allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.
Conclusion & alert: CVE-2006-5223 is rated High Exploit Risk (71.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.95%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). 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 |
|---|---|---|---|---|
| 2483 | exploit_db | edb | 2006-10-06 | 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 | 2026-06-15 | 28.86% | 3.95% | -24.91% |
| 2 | 2026-04-27 | 23.40% | 28.86% | +5.46% |
| 3 | 2026-04-24 | — | 23.40% | — |
Full EPSS history (15 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-2006-5223: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-5223 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nivisec | user_viewed_posts_tracker | 1.0 | cpe:2.3:a:nivisec:user_viewed_posts_tracker:1.0:*:*:*:*:*:*:* |