CVE-2026-2628 — CRITICAL (9.8)

Vulnerability Description

The All-in-One Microsoft 365 & Entra ID / Azure AD SSO Login plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 2.2.5. This makes it possible for unauthenticated attackers to bypass authentication and log in as other users, including administrators.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-288

References

FAQ

What is CVE-2026-2628?

CVE-2026-2628 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The All-in-One Microsoft 365 & Entra ID / Azure AD SSO Login plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 2.2.5. This makes it possible for unauthe...

How severe is CVE-2026-2628?

CVE-2026-2628 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-2628?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.