CVE-2026-86814 UsersWP - Social Login < 1.5.10 - Unauthenticated Account Takeover via Unverified Provider Email

High 8.1 Published Updated

Unauthenticated attackers can take over any user account, including administrators, by asserting their email through a social login provider.

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-2026-86814?

CVE-2026-86814 is a high-severity authentication bypass vulnerability in Unknown UsersWP, published on 19 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The UsersWP WordPress plugin before 1.5.10 does not verify that a social login provider has confirmed ownership of an email address before using it to resolve an existing account, allowing unauthenticated attackers to log in as any user, including administrators, whose email address they can assert through a provider account of their own.

Weakness: CWE-269

Which versions are affected by CVE-2026-86814?

How do I fix CVE-2026-86814?

No fix has been published for CVE-2026-86814 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-2026-86814 being exploited?

There is no known exploitation of CVE-2026-86814 in the wild and no public exploit code.

Sources

Also known as GHSA-cg9c-x648-j6c7.

Is CVE-2026-86814 in your software?

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