CVE-2007-4120

Exp

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

Published: 2007-08-01 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2007-4120

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-4120

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4120

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-4120

OS Trackers for CVE-2007-4120

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

Affected software / configurations for CVE-2007-4120

Vendor Product Version Raw CPE
jelsoft vbulletin 3.6.5 cpe:2.3:a:jelsoft:vbulletin:3.6.5:*:*:*:*:*:*:*

References for CVE-2007-4120

cvelogic Threat Intelligence