Description
WordPress Plugin OAuth Single Sign On-SSO (OAuth Client) is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently log onto the site with the only knowledge of a user's email address. WordPress Plugin OAuth Single Sign On-SSO (OAuth Client) version 6.22.5 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 6.22.6 or latest
References
https://lana.codes/lanavdb/12bb3c02-45f1-4ce8-8a5a-8b44352cf7fc/
https://sploitus.com/exploit?id=WPEX-ID:E76939CA-180F-4472-A26A-E0C36CFD32DE
https://plugins.svn.wordpress.org/miniorange-login-with-eve-online-google-facebook/trunk/readme.txt