Short answer- No, not really. Here's why:
A recent vulnerability was exposed in the OAuth 2.0 protocol that opened a floodgate of exposed passwords. Chinese researchers examined 600 top U.S. and Chinese Android mobile apps that use OAuth 2.0 APIs from Facebook, Google and Sina and support single sign-on for third-party apps. They found that 41.2 percent of the apps they tested were vulnerable to their attack, including popular dating, travel, shopping, hotel booking, finance, chat, music and news apps. The researchers said the apps they tested were downloaded more than 2.4 billions times in aggregate, meaning that more than one billion are vulnerable!
If you use Facebook or Google+ login credentials to sign in to other websites, your password could be