bugtraq - Sql injection in WordPress 2.1.2

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Date: Fri, 09 Mar 2007 19:15:33 +0330
From: "Omid" <omid@...kers.ir>
To: <bugtraq@...urityfocus.com>
Subject: Sql injection in WordPress 2.1.2

Hello,

There is a sql injection in WordPress 2.1.2 (and maybe others) .
A user with "add link" permission (Editor/Administrator) can do this :

The '$new_cat' variable in "wp_set_link_cats()" function is not checked
properly before be used in the sql query :

File /wp-admin/admin-db.php, Line 472 :

			$wpdb->query("
				INSERT INTO $wpdb->link2cat (link_id, category_id)
				VALUES ($link_ID, $new_cat)");

- Omid