CVE-2005-3366

Exp

PHP file inclusion vulnerability in index.php in PHP iCalendar 2.0a2 through 2.0.1 allows remote attackers to execute arbitrary PHP code and include arbitrary local files via the phpicalendar cookie. NOTE: this is not a cross-site scripting (XSS) issue as claimed by the original researcher.

Published: 2005-10-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3366 is rated High Exploit Risk (69.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.37%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). 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-2005-3366

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-3366

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 3.83% 2.37% -1.46%
2 2025-03-30 2.85% 3.83% +0.98%
3 2025-03-29 2.85%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3366

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2005-3366

Affected software / configurations for CVE-2005-3366

Vendor Product Version Raw CPE
php_icalendar php_icalendar 2.0.1 cpe:2.3:a:php_icalendar:php_icalendar:2.0.1:*:*:*:*:*:*:*
php_icalendar php_icalendar 2.0a2 cpe:2.3:a:php_icalendar:php_icalendar:2.0a2:*:*:*:*:*:*:*
php_icalendar php_icalendar 2.0b cpe:2.3:a:php_icalendar:php_icalendar:2.0b:*:*:*:*:*:*:*
php_icalendar php_icalendar 2.0c cpe:2.3:a:php_icalendar:php_icalendar:2.0c:*:*:*:*:*:*:*

References for CVE-2005-3366

cvelogic Threat Intelligence