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Fencer Vulns
medium 4.3

CVE-2006-6824 json

Multiple cross-site scripting (XSS) vulnerabilities in Jim Hu and Chad Little PHP iCalendar 2.23 rc1 and earlier allow remote attackers to…

published 2006-12-29 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6807

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
8
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Jim Hu and Chad Little PHP iCalendar 2.23 rc1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) getdate parameter in (a) day.php, (b) month.php, (c) year.php, (d) week.php, (e) search.php, (f) rss/index.php, (g) print.php, and (h) preferences.php; the (2) cpath parameter in (i) day.php, (j) month.php, (k) year.php, (l) week.php, and (m) search.php; the (3) query parameter in search.php; and possibly the cpath, (4) unset, and (5) set parameters in a setcookie action in preferences.php; different vectors than CVE-2006-3319. NOTE: it was later reported that vectors b, c, and d also affect 2.24.

Timeline

  1. First public exploit (EDB-29370)
  2. Published

Exploit prediction

2.58% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-29370 PHP iCalendar 1.1/2.x - 'preferences.php' Cross-Site Scripting webapps, 2006-12-27
  • EDB-29369 PHP iCalendar 1.1/2.x - 'print.php' Cross-Site Scripting webapps, 2006-12-27
  • EDB-29368 PHP iCalendar 1.1/2.x - 'getdate' Cross-Site Scripting webapps, 2006-12-27
  • EDB-29367 PHP iCalendar 1.1/2.x - 'search.php' Cross-Site Scripting webapps, 2006-12-27
  • EDB-29366 PHP iCalendar 1.1/2.x - 'week.php' Cross-Site Scripting webapps, 2006-12-27
  • EDB-29365 PHP iCalendar 1.1/2.x - 'year.php' Cross-Site Scripting webapps, 2006-12-27
  • EDB-29364 PHP iCalendar 1.1/2.x - 'month.php' Cross-Site Scripting webapps, 2006-12-27
  • EDB-29363 PHP iCalendar 1.1/2.x - 'day.php' Cross-Site Scripting webapps, 2006-12-27
  • lostmon.blogspot.com http://lostmon.blogspot.com/2006/12/php-icalendar-multiple-variable-cross.html referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1017449 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/21792 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.