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Cross-site Scripting (XSS) Vulnerability in Tiki Wiki CMS Groupware

Advisory ID:HTB23027
Product:Tiki Wiki CMS Groupware
Vendor:info.tiki.org
Vulnerable Versions:7.0 and probably prior
Tested Version:7.0
Advisory Publication:June 29, 2011 [without technical details]
Vendor Notification:June 29, 2011
Public Disclosure:July 20, 2011
Latest Update:November 22, 2011
Vulnerability Type:Cross-Site Scripting [CWE-79]
CVE Reference:CVE-2011-4336
Risk Level:Low
CVSSv2 Base Score:2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered vulnerability in Tiki Wiki CMS Groupware, which can be exploited to perform cross-site scripting attacks.

1) Cross-site scripting (XSS) vulnerability in Tiki Wiki CMS Groupware
Input passed via the GET "ajax" parameter to snarf_ajax.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser in context of an affected website. Successful exploitation requires that victim is logged-in into the application and has access to administrative interface.
Exploitation example:
http://[host]/snarf_ajax.php?url=1&ajax=%3Cscript%3Ealert%28document.cookie% 29;%3C/script%3E

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Solution:
Upgrade to version 6.4 or 7.1.


References:
[1] High-Tech Bridge Advisory HTB23027 - https://www.immuniweb.com/advisory/HTB23027 - Cross-site Scripting (XSS) Vulnerability in Tiki Wiki CMS Groupware
[2] Tiki Wiki CMS Groupware - info.tiki.org - Tiki Wiki CMS Groupware is a full-featured, web-based, multilingual (40+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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