CVE-2006-4191

Exp

Directory traversal vulnerability in memcp.php in XMB (Extreme Message Board) 1.9.6 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the langfilenew parameter, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file, which is then included by header.php.

Published: 2006-08-17 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-4191 is rated High Exploit Risk (70.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 14.05%, 94th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.75% 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.

Public exploit references (Exploit-DB) for CVE-2006-4191

EDB-ID Source Kind Published Link
2178 exploit_db edb 2006-08-13 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4191

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 2025-12-28 12.30% 14.05% +1.75%
2 2025-08-22 10.72% 12.30% +1.58%
3 2025-04-05 10.72%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4191

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/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:H)
Exploitation requires uncommon or highly specific conditions.
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.
4.9 6.4 [email protected]

Weakness enumeration for CVE-2006-4191

NVD evaluator notes for CVE-2006-4191

Solution: Successful exploitation requires that the "magic_quotes" parameter is disabled.

Vendor comments (NVD) for CVE-2006-4191

  • XMB (2021-04-23T12:30:36.953)

    XMB versions 1.9.8 and later were checked and are not vulnerable. Upgrades are available at https://www.xmbforum2.com/

Affected software / configurations for CVE-2006-4191

Vendor Product Version Raw CPE
xmb_software extreme_message_board <= 1.9.6 cpe:2.3:a:xmb_software:extreme_message_board:*:*:*:*:*:*:*:*

References for CVE-2006-4191

cvelogic Threat Intelligence