Re: XSS in Tiki Wiki CMS Groupware

[Henri Salo <henri () nerv fi>]

On Wed, Jul 20, 2011 at 02:40:25PM +0200, advisory () htbridge ch 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