CVE-2006-3994

Exp

SQL injection vulnerability in the u2u_send_recp function in u2u.inc.php in XMB (aka extreme message board) 1.9.6 Alpha and earlier allows remote attackers to execute arbitrary SQL commands via the u2uid parameter to u2u.php, which is directly accessed from $_POST and bypasses the protection scheme.

Published: 2006-08-05 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-3994 is rated High Exploit Risk (79/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.73%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.12% over the last day, indicating growing attacker interest. 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-2006-3994

EDB-ID Source Kind Published Link
2105 exploit_db edb 2006-08-01 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-3994

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 0.60% 3.73% +3.12%
2 2025-10-19 0.90% 0.60% -0.29%
3 2025-08-29 — 0.90% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3994

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-3994

Vendor comments (NVD) for CVE-2006-3994

  • XMB (2021-04-23T12:29:18.727)

    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-2006-3994

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

References for CVE-2006-3994

cvelogic Threat Intelligence