Re: XSS in Tiki Wiki CMS Groupware

[Henri Salo <henri@xxxxxxx>]

On Wed, Jul 20, 2011 at 02:40:25PM +0200, advisory@xxxxxxxxxxx wrote:
> Vulnerability ID: HTB23027
> Reference: http://www.htbridge.ch/advisory/xss_in_tiki_wiki_cms_groupware.html
> Product: Tiki Wiki CMS Groupware
> Vendor: info.tiki.org ( http://info.tiki.org ) 
> Vulnerable Version: 7.0 and probably prior
> Tested on: 7.0
> Vendor Notification: 29 June 2011 
> Vulnerability Type: XSS (Cross Site Scripting)
> Status: Fixed by Vendor
> Risk level: Medium 
> Credit: High-Tech Bridge SA Security Research Lab ( 
> http://www.htbridge.ch/advisory/ ) 
> 
> Vulnerability 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.
> 
> 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 session in context of affected website.
> 
> The following PoC code is available:
> 
> http://[host]/snarf_ajax.php?url=1&ajax=%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E
> 
> This vulnerability work only against users in "Admins" group.
> Solution: Upgrade to the most recent version

Please use CVE-2011-4336 for this issue. Reference: 
http://seclists.org/oss-sec/2011/q4/374

- Henri Salo