OAuth Single Sign On – SSO (OAuth Client), CVE-2025-10753

CVE, Research URL: CVE-2025-10753
Home page URL: Security reports for OAuth Single Sign On – SSO (OAuth Client)
Application: OAuth Single Sign On – SSO (OAuth Client)
Published on: Feb 06, 2026
Research Description: The OAuth Single Sign On – SSO (OAuth Client) plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 6.26.14. This is due to missing capability checks and authentication verification on the OAuth redirect functionality accessible via the 'oauthredirect' option parameter. This makes it possible for unauthenticated attackers to set the global redirect URL option via the redirect_url parameter granted they can access the site directly.
Affected versions: max 6.26.15.
Status: vulnerable

OAuth Single Sign On &#8211; SSO (OAuth Client), CVE-2025-10753