Catalog is a buy/sell marketplace WordPress theme coded with Bootstrap, HTML5, CSS and jQuery. The Catalog theme suitable for buy sell websites, marketplace sites. WordPress.com currently serves 18 million publishers, including VIPs like us, TED, CBS and is responsible for 10% of all websites in the world. WordPress.com itself sees about 300 million unique visits monthly. Several WordPress sites were injected with the same iframe over the last few days…