Multiple PHP remote file inclusion vulnerabilities in Jelsoft vBulletin 3.6.5 allow remote attackers to execute arbitrary PHP code via a URL in the (1) classfile parameter to includes/functions.php, the (2) nextitem parameter to includes/functions_cron.php, and the (3) specialtemplates parameter to includes/functions_forumdisplay.php. NOTE: this issue is disputed by a reliable third party who states "further investigation has revealed that the application is not vulnerable to this issue." The original researcher also has a history of erroneous claims
Conclusion & alert: CVE-2007-4120 is rated High Exploit Risk (79.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.08%). Core evidence: 1 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 |
|---|---|---|---|---|
| — | 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 | 2026-03-20 | 0.90% | 1.08% | +0.19% |
| 2 | 2025-09-16 | 0.85% | 0.90% | +0.05% |
| 3 | 2025-03-30 | — | 0.85% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2007-4120: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2007-4120 |