Enter this in your address bar on the cookie website that you want to edit. Remember that document.cookie differs depending on the domain you are currently viewing. UNION ALL SELECT lname FROM Employee ORDER BY au_lname
Edit: Bobint is right about the semicolon, so there is a SQL injection here without a semicolon.
javascript: document.cookie = "SESSID = 'union select password from users, where id = 1 -";
Tamperdata addon firefox SQL- xss, . Acunetix, http-, cookie xss/sql . Acuentix xss . w3af wapiti , cookie.