After 3.5.1. upgrade, posts appearing on Site yet *NOT* in WP admin!

Not an answer (can’t comment) but I had this happen with my pages recently. It turned out to be a naming conflict with a custom post type ( I used the word “order”). If you have made any CPT’s check your names if the are really common words.

Here is a link to learn how to turn on debugging.
http://codex.wordpress.org/Debugging_in_WordPress

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