Yet Another Hotmail, AOL and Yahoo Password Reset 0Day Vulnerabilities

Yesterday we Reported a 0-Day Vulnerability in Hotmail, which allowed hackers to reset account passwords and lock out the account's real owners. Tamper Data add-on allowed hackers to siphon off the outgoing HTTP request from the browser in real time and then modify the data.When they hit a password reset on a given email account they could fiddle the requests and input in a reset they chose.