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Category:   Application (Calendar)  >   WebCalendar Vendors:   Knudsen, Craig
WebCalendar Input Validation Flaw in 'edit_entry.php' Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1025298
SecurityTracker URL:  http://securitytracker.com/id/1025298
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Apr 5 2011
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 1.2.3.
Description:   A vulnerability was reported in WebCalendar. A remote user can conduct cross-site scripting attacks.

The 'edit_entry.php' script does not properly filter HTML code from user-supplied input before displaying the input. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the WebCalendar software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

The Brief Description, Full Description, and location parameters are affected.

The original advisory is available at:

https://www.upsploit.com/index.php/advisories/view/UPS-2010-0004

Matt Jezorek reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the WebCalendar software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.k5n.us/webcalendar.php (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents



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