use Friendica\Core\PConfig;
use Friendica\Model\Profile;
-$uid = Profile::getThemeUid();
+$uid = defaults($_REQUEST, 'puid', 0);
$style = PConfig::get($uid, 'vier', 'style');
$stylecss = '';
$modified = '';
+$style = \Friendica\Util\Strings::sanitizeFilePathItem($style);
+
foreach (['style', $style] as $file) {
$stylecssfile = $THEMEPATH . DIRECTORY_SEPARATOR . $file .'.css';
if (file_exists($stylecssfile)) {