As it turns out, although Google itself didn’t see much impact, the exposure from the 5 million accounts is broader than just Google.
Late evening on Sept. 12, WordPress revealed that it was taking proactive measures to secure its WordPress.com users against the Google account disclosure. WordPress has an open-source content management system (CMS) as well an online service at WordPress.com, where users can create their own blogs. WordPress.com accounts can also be used by self-hosted open-source WordPress users to get a number of services from WordPress.com