CVE-2026-2628 All-in-One Microsoft 365 & Entra ID / Azure AD SSO Login <= 2.2.5 - Authentication Bypass
Unauthenticated attackers can bypass authentication to log in as any user, including administrators, in this WordPress SSO plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2628?
CVE-2026-2628 is a critical authentication bypass vulnerability in cyberlord92 All-in-One Microsoft 365 & Entra ID / Azure AD SSO Login, published on 3 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-288
Which versions are affected by CVE-2026-2628?
How do I fix CVE-2026-2628?
No fix has been published for CVE-2026-2628 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-2628 being exploited?
There is no known exploitation of CVE-2026-2628 in the wild and no public exploit code.
Sources
Also known as GHSA-5rvp-4pq9-27fr.