[Plugin: RSSImport] Using shortcode in text widgets

I was having trouble displaying my RSS feeds using a text widget. The solution I found is to add the following line of code to your theme/child theme’s functions.php file.
Add:
add_filter(‘widget_text’, ‘do_shortcode’);

That fixed my problem!

http://ww.wp.xz.cn/extend/plugins/rss-import/