*/
public function userCanPreview() {
$request = $this->getRequest();
- if ( $request->getVal( 'action' ) !== 'submit' || !$request->wasPosted() ) {
+ if (
+ $request->getVal( 'action' ) !== 'submit' ||
+ !$request->getCheck( 'wpPreview' ) ||
+ !$request->wasPosted()
+ ) {
return false;
}