The login-social WordPress plugin through 1.0.4 does not validate password-reset requests against a reset key or the requester's identity, and it issues authentication sessions from unverified third-party sign-in data, allowing unauthenticated attackers to reset any user's password or log in as any existing account, including administrators, and take over the site.
https://wpscan.com/vulnerability/533f9347-e7cd-4a86-8cb5-f6d4aaaf4dd1/