CVE-2004-1423

Exp

Multiple PHP remote file inclusion vulnerabilities in Sean Proctor PHP-Calendar before 0.10.1, as used in Commonwealth of Massachusetts Virtual Law Office (VLO) and other products, allow remote attackers to execute arbitrary PHP code via a URL in the phpc_root_path parameter to (1) includes/calendar.php or (2) includes/setup.php.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-1423 is rated High Exploit Risk (83.5/100): CVSS High severity, with high exploitation likelihood (EPSS 15.47%, 96th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.72% 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-2004-1423

EDB-ID Source Kind Published Link
43819 exploit_db edb 2014-12-29 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-1423

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 10.74% 15.47% +4.72%
2 2025-03-30 11.69% 10.74% -0.95%
3 2025-03-29 — 11.69% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1423

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-2004-1423

Affected software / configurations for CVE-2004-1423

Vendor Product Version Raw CPE
php-calendar php-calendar <= 0.10 cpe:2.3:a:php-calendar:php-calendar:*:*:*:*:*:*:*:*
php-calendar php-calendar 0.1 cpe:2.3:a:php-calendar:php-calendar:0.1:*:*:*:*:*:*:*
php-calendar php-calendar 0.2 cpe:2.3:a:php-calendar:php-calendar:0.2:*:*:*:*:*:*:*
php-calendar php-calendar 0.3 cpe:2.3:a:php-calendar:php-calendar:0.3:*:*:*:*:*:*:*
php-calendar php-calendar 0.4 cpe:2.3:a:php-calendar:php-calendar:0.4:*:*:*:*:*:*:*
php-calendar php-calendar 0.5 cpe:2.3:a:php-calendar:php-calendar:0.5:*:*:*:*:*:*:*
php-calendar php-calendar 0.6 cpe:2.3:a:php-calendar:php-calendar:0.6:*:*:*:*:*:*:*
php-calendar php-calendar 0.7 cpe:2.3:a:php-calendar:php-calendar:0.7:*:*:*:*:*:*:*
php-calendar php-calendar 0.8 cpe:2.3:a:php-calendar:php-calendar:0.8:*:*:*:*:*:*:*
php-calendar php-calendar 0.9 cpe:2.3:a:php-calendar:php-calendar:0.9:*:*:*:*:*:*:*
php-calendar php-calendar 0.9.1 cpe:2.3:a:php-calendar:php-calendar:0.9.1:*:*:*:*:*:*:*

References for CVE-2004-1423

cvelogic Threat Intelligence