CVE-2006-1291

Exp

publish.ical.php in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier does not require authentication for write access to the calendars directory, which allows remote attackers to upload and execute arbitrary PHP scripts via a WebDAV PUT request with a filename containing a .php extension and a trailing null character.

Published: 2006-03-19 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-1291 is rated High Exploit Risk (79.3/100): CVSS High severity, with high exploitation likelihood (EPSS 6.93%, 93th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.70% 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-2006-1291

EDB-ID Source Kind Published Link
1586 exploit_db edb 2006-03-15 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-1291

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 5.23% 6.93% +1.70%
2 2026-01-04 5.91% 5.23% -0.68%
3 2025-03-30 — 5.91% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-1291

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-2006-1291

Affected software / configurations for CVE-2006-1291

Vendor Product Version Raw CPE
php_icalendar php_icalendar <= 2.2.1 cpe:2.3:a:php_icalendar:php_icalendar:*:*:*:*:*:*:*:*
php_icalendar php_icalendar 2.0 cpe:2.3:a:php_icalendar:php_icalendar:2.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
php_icalendar php_icalendar 2.1 cpe:2.3:a:php_icalendar:php_icalendar:2.1:*:*:*:*:*:*:*

References for CVE-2006-1291

cvelogic Threat Intelligence