WP REST API: OAuth Plugin Security Update

Hi everyone. This is a quick update on the OAuth 1.0a Server pluginPlugin A plugin is a piece of software containing a group of functions that can be added to a WordPress website. They can extend functionality or add new features to your WordPress websites. WordPress plugins are written in the PHP programming language and integrate seamlessly with WordPress. These can be free in the WordPress.org Plugin Directory https://wordpress.org/plugins/ or can be cost-based plugin from a third-party, available on GitHub.

Versions of the OAuth plugin prior to this commit contain a security issuesecurity issue A security issue is a type of bug that can affect the security of WordPress installations. Specifically, it is a report of a bug that you have found in the WordPress core code, and that you have determined can be used to gain some level of access to a site running WordPress that you should not have. during the authorization flow, regarding signature and nonce checks. Due to the OAuth architecture, it is highly unlikely this can be used to compromise a site or client application; however due to an abundance of caution, we recommend all users update to 0.2.1 immediately. (Pull the latest changes from master.)

Thanks to @bradyvercher for responsible disclosure of this issue via HackerOne.