In a previous posting we had announced a security vulnerability in OAuth Core 1.0 (
http://developer.yahoo.net/forum/index.php?showtopic=1263). To warn application users of the potential risk, Yahoo! took the step of applying a warning message within the OAuth user verification flow noting the risk of using an application built upon OAuth Core 1.0. This vulnerability was repaired in a revision to the library, OAuth Core 1.0 Revision A. All implementations of Pre-Rev A OAuth will stop working on Monday, November 9th and should be upgraded to the new standard by all application developers to complete the OAuth flow.
For additional FAQ’s on this topic please see:
http://developer.yahoo.com/oauth/faq/ For a quick start guide on implementing OAuth Core 1.0 Revision A please see:
http://developer.yahoo.com/oauth/guide/oauth-guide.html 