Sanitize cat_id, fixes WordPress#4691 for 2.0.x

markjaquith · markjaquith · commit 25bfe081fec8 · 2007-08-02T15:23:12.000Z
git-svn-id: https://develop.svn.wordpress.org/branches/2.0@5841 602fd350-edb4-49c9-b593-d223f7449a82
diff --git a/wp-admin/link-import.php b/wp-admin/link-import.php
@@ -74,10 +74,9 @@
 
      <h2><?php _e('Importing...') ?></h2>
 <?php
-                $cat_id = $_POST['cat_id'];
-                if (($cat_id == '') || ($cat_id == 0)) {
-                    $cat_id  = 1;
-                }
+				$cat_id = abs( (int) $_POST['cat_id'] );
+				if ( $cat_id < 1 )
+					$cat_id  = 1;
 
                 $opml_url = $_POST['opml_url'];
                 if (isset($opml_url) && $opml_url != '' && $opml_url != 'http://') {
