CVE-2026-12687 ProfileGrid < 5.9.9.8 - Unauthenticated Privilege Escalation via Unrestricted Group ID

High 7.5 Published Updated

Unauthenticated attackers can register into privileged groups to gain Administrator access in ProfileGrid WordPress 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-2026-12687?

CVE-2026-12687 is a high-severity vulnerability in Unknown ProfileGrid, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ProfileGrid WordPress plugin before 5.9.9.8 does not restrict which group an anonymous visitor may register into through its front-end registration, allowing unauthenticated users to register directly into a privileged group and be granted that group's configured role, up to Administrator when such a group exists, leading to privilege escalation.

Weakness: CWE-269

Which versions are affected by CVE-2026-12687?

How do I fix CVE-2026-12687?

No fix has been published for CVE-2026-12687 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12687 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12687 exists.

Sources

Also known as GHSA-9fxw-6x9j-x2gr.

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