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Fencer Vulns
medium 6.8

CVE-2005-3366 json

PHP file inclusion vulnerability in index.php in PHP iCalendar 2.0a2 through 2.0.1 allows remote attackers to execute arbitrary PHP code an…

published 2005-10-29 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-3365

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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.

Patch / fix

Exploit prediction

2.37% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • ush.it http://www.ush.it/2005/10/25/php-icalendar-css/ referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/fulldisclosure/2005-10/0512.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.