OAuth 2.0 client for SSO <= 1.11.3 - Authentication Bypass

Authentication Bypass Using an Alternate Path or Channel
CVE CVE-2022-34858
CVSS Critical (9.8)
Publicly Published June 23, 2022
Last Updated January 22, 2024
Description

The OAuth 2.0 client for SSO plugin for WordPress is vulnerable to authentication bypass in versions up to, and including 1.11.3. This is due to the plugin accepting a user supplied email address that is passed to wp_set_auth_cookie() with no further identity validation to verify that the email supplied belongs to the user trying to log in with that email address. This makes it possible for unauthenticated attackers to log in as a site administrator granted they have access to a site admin's email address.

References

1 affected software package

Software Type Plugin
Software Slug oauth-client (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.11.3
Patched Version
  • 1.11.4
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