+---------------------------------------------------------------+
|8888888b. d8888 888b 888 888 888 888 d8P |
|888 "Y88b d88888 8888b 888 888 888 888 d8P |
|888 888 d88P888 88888b 888 888 888 888 d8P |
|888 888 d88P 888 888Y88b 888 888 888 888d88K |
|888 888 d88P 888 888 Y88b888 888 888 8888888b |
|888 888 d88P 888 888 Y88888 888 888 888 Y88b |
|888 .d88P d8888888888 888 Y8888 Y88b. .d88P 888 Y88b |
|8888888P" d88P 888 888 Y888 "Y88888P" 888 Y88b|
+---------------------------------------------------------------+
Your site has been hacked. Take this as a warning. Improve your security.
+------+
|Method|
+------+
SQL injection, and HTML redirect to deface.
+------------+
|Info and Fix|
+------------+
Use mod url_rewrite. If not, disable HTML coding in the category names.