CVE-2006-3206

register.php in Ultimate PHP Board (UPB) 1.9.6 and earlier allows remote attackers to create arbitrary accounts via the "[NR]" sequence in the signature field, which is used to separate multiple records.

Published: 2006-06-24 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-3206 is rated Low Risk (38.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.32%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-3206

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 2025-03-30 0.36% 0.32% -0.04%
2 2025-03-29 0.28% 0.36% +0.08%
3 2023-03-07 0.28%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3206

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N 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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2006-3206

Affected software / configurations for CVE-2006-3206

Vendor Product Version Raw CPE
ultimate_php_board ultimate_php_board 1.8 cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.8:*:*:*:*:*:*:*
ultimate_php_board ultimate_php_board 1.8.2 cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.8.2:*:*:*:*:*:*:*
ultimate_php_board ultimate_php_board 1.9 cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.9:*:*:*:*:*:*:*
ultimate_php_board ultimate_php_board 1.9.6 cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.9.6:*:*:*:*:*:*:*

References for CVE-2006-3206

cvelogic Threat Intelligence