CVE-2006-5390

Exp

PHP remote file inclusion vulnerability in includes/functions_mod_user.php in the ACP User Registration (MMW) 1.00 module for phpBB allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

Published: 2006-10-18 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-5390 is rated High Exploit Risk (69.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.91%). 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-2006-5390

EDB-ID Source Kind Published Link
2551 exploit_db edb 2006-10-13 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-5390

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 5.08% 2.91% -2.17%
2 2025-09-06 2.63% 5.08% +2.45%
3 2025-06-06 2.63%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-5390

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2006-5390

OS Trackers for CVE-2006-5390

vendor priority summary link
alpine CVE-2006-5390: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-5390

NVD evaluator notes for CVE-2006-5390

Solution: This vulnerability is addressed in the following product release: phpBB, ACP User Registration, 1.0.1

Affected software / configurations for CVE-2006-5390

Vendor Product Version Raw CPE
phpbb acp_user_registration_module 1.00 cpe:2.3:a:phpbb:acp_user_registration_module:1.00:*:*:*:*:*:*:*

References for CVE-2006-5390

cvelogic Threat Intelligence