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Vulnerability record · CVE-2006-1291 · published 19 March 2006

CVE-2006-1291: Php icalendar vulnerability

Php Icalendar · Php Icalendar

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.

7.5 CVSS 2.0 High EPSS 7.1% · top 6.0%
7.5CVSS 2.0 base score
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://downloads.securityfocus.com/vulnerabilities/exploits/php-iCalendar-221.upload.php Exploit
http://secunia.com/advisories/19285
http://www.securityfocus.com/bid/17129 Exploit
http://www.vupen.com/english/advisories/2006/1019
https://www.exploit-db.com/exploits/1586
http://downloads.securityfocus.com/vulnerabilities/exploits/php-iCalendar-221.upload.php Exploit
http://secunia.com/advisories/19285
http://www.securityfocus.com/bid/17129 Exploit
http://www.vupen.com/english/advisories/2006/1019
https://www.exploit-db.com/exploits/1586

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.8CVE-2005-3366Php icalendar vulnerabilityPHP 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 …EPSS 2.4%5.0CVE-2006-1292Php icalendar vulnerabilityDirectory traversal vulnerability in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier allows remote attackers to include and execute arbitrary l…EPSS 2.8%5.0CVE-2006-0648Php icalendar vulnerabilityMultiple directory traversal vulnerabilities in PHP iCalendar 2.0.1, 2.1, and 2.2 allow remote attackers to include arbitrary files via the (1) getda…EPSS 2.1%4.3CVE-2006-6824Php icalendar cross-site scripting vulnerabilityMultiple cross-site scripting (XSS) vulnerabilities in Jim Hu and Chad Little PHP iCalendar 2.23 rc1 and earlier allow remote attackers to inject arb…EPSS 2.6%4.3CVE-2006-3319Php icalendar vulnerabilityCross-site scripting (XSS) vulnerability in rss/index.php in PHP iCalendar 2.22 and earlier allows remote attackers to inject arbitrary web script or…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2006-1291), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.