CVE-2006-4558

Exp

DeluxeBB 1.06 and earlier, when run on the Apache HTTP Server with the mod_mime module, allows remote attackers to execute arbitrary PHP code by uploading files with double extensions via the fileupload parameter in a newthread action in newpost.php.

Published: 2006-09-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4558 is rated High Exploit Risk (71.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.16%). 4 public exploit reference(s) are indexed (Exploit-DB). 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-2006-4558

EDB-ID Source Kind Published Link
1797 exploit_db edb 2006-05-16 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-2006-4558

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 9.02% 4.16% -4.86%
2 2025-04-25 9.31% 9.02% -0.30%
3 2025-03-30 — 9.31% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4558

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-2006-4558

OS Trackers for CVE-2006-4558

vendor priority summary link
alpine — CVE-2006-4558: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-4558

Affected software / configurations for CVE-2006-4558

Vendor Product Version Raw CPE
deluxebb deluxebb <= 1.06 cpe:2.3:a:deluxebb:deluxebb:*:*:*:*:*:*:*:*

References for CVE-2006-4558

cvelogic Threat Intelligence