ExtCalendar calendar.php cross-site scripting
| extcalendar-calendar-xss (25350) |  Medium Risk |
Description:
ExtCalendar is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the calendar.php script. A remote attacker could exploit this vulnerability using the month, year, prev or next parameters to execute script in a victim's Web browser within the security context of the hosting Web site, allowing the attacker to steal the victim's cookie-based authentication credentials.
Platforms Affected:
- ExtCalendar, ExtCalendar 1.1 and prior
Remedy:
For ExtCalendar version 1:
Version 1 is no longer supported. Upgrade to ExtCalendar version 2 available from the SourceForge.net Web site. See References.
Consequences:
Gain Access
References:
- BugTraq Mailing List, Sun Mar 19 2006 - 11:32:34 CST, ExtCalendar v1.0 Multiple Xss Vuln at http://archives.neohapsis.com/archives/bugtraq/2006-03/0353.html.
- SourceForge.net, ExtCalendar 2 at http://sourceforge.net/projects/extcal. (Note: ExtCalendar 1 is no longer supported.)
- BID-17146: ExtCalendar Cross-Site Scripting Vulnerabilities
- CVE-2006-1336: Cross-site scripting vulnerability in calendar.php in ExtCalendar 1.0 and possibly other versions before 2.0 allows remote attackers to inject arbitrary web script or HTML via the (1) year, (2) month, (3) next, and (4) prev parameters.
- OSVDB ID: 23969: ExtCalendar calendar.php Multiple Variable XSS
- SA19321: ExtCalendar Cross-Site Scripting and Script Insertion vulnerabilities
- VUPEN/ADV-2006-1012: ExtCalendar Multiple Parameter Handling Cross Site Scripting Vulnerabilities
Reported:
Mar 21, 2006
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