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Mark Jaquith On WordPress Security For Plugin Developers

hardening plugins against acronym attacks

I’ve been pretty aware of the risks of SQL injection and am militant about keeping my database interactions clean. Mark Jaquith today reminded me about the need to make sure my browser output is filtered through clean_url(), sanitize_url(), and attribute_escape(). Furthermore, we all need to remember current_user_can(), check_admin_referer(), and nonces.