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The DigiTrust Group: Advisory #080910a - Thyme Cross-Site Scripting Vulnerability
Product:
Thyme 1.3
Credits:
DigiTrust Group Vulnerability Research Team
The DigiTrust Group
http://www.digitrustgroup.com
September 20, 2008
Risk Level:
MEDIUM - Vulnerability can be exploited to execute arbitrary HTML and script code in a user's browser session in the context of an affected site.
Program Summary:
Thyme is a PHP-based web calendar designed to meet the needs of individuals and small businesses.
http://www.extrosoft.com/
Cross-Site Scripting Vulnerability:
Input passed via the URL to "add_calendars.php" is not properly sanitized before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in the context of an affected site.
Sample Exploit Code:
/thyme/modules/common_files/add_calendars.php?callback="/></SCRIPT></FORM><SCRIPT>alert(document.cookie)</SCRIPT><SCRIPT><FORM>
Vendor Solution:
Security update available.
Copyright (c) 2008 The DigiTrust Group.
Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of The DigiTrust Group.
Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use on an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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