CVE-2006-1292: Directory traversal vulnerability in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier allows remote attac

Q: How do I fix CVE-2006-1292?

php icalendar: upgrade to newer than 2.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2006-1292 being exploited?

CVE-2006-1292 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-1292 affect?

CVE-2006-1292 affects php icalendar. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences and a NUL (%00) character in the phpicalendar[

Q: How urgent is CVE-2006-1292?

Priority 44/100. Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2006-1292 is a medium-severity flaw (CVSS 5.0) affecting php icalendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences and a NUL (%00) character in the phpicalendar[cookie_language] and phpicalendar[cookie_style] cookies, as demonstrated by injecting PHP sequences into an Apache access_log file, which is then included by day.php.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.8% (top 13%)
CISA exploited list	No
Published	2006-03-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php icalendar

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-03-19 23:02 UTCPublished CVE record published
2026-06-16 22:22 UTCUpdated Record last modified

php icalendar php icalendar UPGRADE

Affected: <= 2.2.1 · 2.0 · 2.0.1 · 2.0a2 · 2.0b · 2.0c · 2.1

Fixed in: newer than 2.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy php-icalendar || rpm -q php-icalendar || php-icalendar --version

2. UPGRADE to newer than 2.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade php-icalendar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade php-icalendar

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: PHP iCalendar 2.21 - 'cookie' Remote Code Execution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-1292?

php icalendar: upgrade to newer than 2.2.1. Exact commands for each OS are on this page.

Is CVE-2006-1292 being exploited?

CVE-2006-1292 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-1292 affect?

CVE-2006-1292 affects php icalendar. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences and a NUL (%00) character in the phpicalendar[

How urgent is CVE-2006-1292?

Priority 44/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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