PHP iCalendar multiple scripts cross-site scripting

phpicalendar-multiple-scripts-xss (31146) The risk level is classified as MediumMedium Risk

Description:

PHP iCalendar is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by multiple scripts. A remote attacker could exploit this vulnerability using the getdate, cpath or query parameter in a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

Platforms Affected:

  • PHP iCalendar, PHP iCalendar 2.23 rc1

Remedy:

No remedy available as of May 2007.

Consequences:

Gain Access

References:

  • Lostmonīs Blogger, December 27, 2006, PHP icalendar multiple variable cross site scripting at http://lostmon.blogspot.com/2006/12/php-icalendar-multiple-variable-cross.html.
  • PHP iCalendar Web site, PHP iCalendar Documentation at http://www.phpicalendar.net/.
  • BID-21792: PHP ICalendar Multiple Cross-Site Scripting Vulnerabilities
  • CVE-2006-6824: 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.
  • OSVDB ID: 32493: PHP iCalendar day.php Multiple Variable XSS
  • OSVDB ID: 32494: PHP iCalendar month.php Multiple Variable XSS
  • OSVDB ID: 32495: PHP iCalendar year.php Multiple Variable XSS
  • OSVDB ID: 32496: PHP iCalendar week.php Multiple Variable XSS
  • OSVDB ID: 32497: PHP iCalendar search.php Multiple Variable XSS
  • OSVDB ID: 32498: PHP iCalendar rss/index.php getdate Variable XSS
  • OSVDB ID: 32499: PHP iCalendar print.php getdate Variable XSS
  • OSVDB ID: 32500: PHP iCalendar preferences.php Multiple Variable XSS
  • SA23499: PHP iCalendar Multiple Cross-Site Scripting Vulnerabilities
  • SECTRACK ID: 1017449: PHP iCalendar Input Validation Holes in `cpath` and `getdate` Parameters Permit Cross-Site Scripting Attacks

Reported:

Dec 27, 2006

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