OAuth 2.0 client for SSO <= 1.11.3 - Authentication Bypass

9.8
Authentication Bypass Using an Alternate Path or Channel
CVE CVE-2022-34858
CVSS 9.8 (Critical)
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.

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Vulnerability Details for OAuth 2.0 client for SSO

Software Type Plugin
Software Slug oauth-client (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.11.4, or a newer patched version
Affected Version
  • <= 1.11.3
Patched Version
  • 1.11.4

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