Unauthenticated Broken Authentication in OAuth Single Sign On - SSO Plugin by miniOrange
CVE-2026-28008

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Oauth Single Sign On – Sso (oauth Client)
Vendor
CVE Published:
13 August 2026

What is CVE-2026-28008?

The OAuth Single Sign On – SSO (OAuth Client) plugin developed by miniOrange contains a vulnerability that exposes users to unauthenticated access. Versions up to 7.0.0 permit attackers to exploit broken authentication mechanisms, potentially allowing unauthorized individuals to gain access to protected resources. This vulnerability may compromise user accounts and sensitive data if not addressed promptly.

Affected Version(s)

OAuth Single Sign On – SSO (OAuth Client) <= 7.0.0

References

https://patchstack.com/database/wordpress/plugin/minioran...
vdb-entry

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

tomcat102 | Patchstack Bug Bounty Program
.