Ticket #29205: 29205.diff

wp-includes/functions.php

@@ -4192 +4192 @@
 
         // Do manual UTC offsets
         $structure[] = '<optgroup label="'. esc_attr__( 'Manual Offsets' ) .'">';
-        $offset_range = array (-12, -11.5, -11, -10.5, -10, -9.5, -9, -8.5, -8, -7.5, -7, -6.5, -6, -5.5, -5, -4.5, -4, -3.5, -3, -2.5, -2, -1.5, -1, -0.5,
-                0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 5.75, 6, 6.5, 7, 7.5, 8, 8.5, 8.75, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.75, 13, 13.75, 14);
+        $offset_range = array (-12, -11, -10, -9.5, -9, -8, -7, -6, -5, -4.5, -4, -3.5, -3, -2, -1,
+                0, 1, 2, 3, 3.5, 4, 4.5, 5, 5.5, 5.75, 6, 6.5, 7, 8, 8.75, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.75, 13, 14);
+
+        // Validate selected value and reset to UTC+0 if invalid
+        $sanitized_selected_zone = str_replace( 'UTC', '', $selected_zone );
+        if ( ! in_array( $sanitized_selected_zone, $offset_range ) ) {
+                $selected_zone = 'UTC+0';
+        }
+
         foreach ( $offset_range as $offset ) {
                 if ( 0 <= $offset )
                         $offset_name = '+' . $offset;