Many very popular plugins for SEOs, including WordPress SEO, Google Analytics by Yoast, All In one SEO and WPTouch, were affected by the latest XSS Vulnerability, as reported by http://tgcafe.it/1DHVWF5.
If you are running any of the following known affected plugins, update them immediately:
Google Analytics by Yoast
All In one SEO
Multiple Plugins from Easy Digital Downloads
Related Posts for WordPress
Multiple iThemes products including Builder and Exchange
More marketing news: http://tgcafe.it/your-marketing-news