CVE-2026-106598 WordPress User Registration plugin <= 5.2.8 - Sensitive Data Exposure vulnerability

Medium 5.3 Published Updated

An attacker can retrieve sensitive data due to missing authorization checks in the User Registration 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-2026-106598?

CVE-2026-106598 is a medium-severity missing authorization vulnerability in ThemeGrill User Registration, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Missing Authorization vulnerability in ThemeGrill User Registration user-registration allows Retrieve Embedded Sensitive Data.This issue affects User Registration: from n/a through 5.2.8.

Weakness: CWE-862

Which versions are affected by CVE-2026-106598?

How do I fix CVE-2026-106598?

No fix has been published for CVE-2026-106598 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-106598 being exploited?

There is no known exploitation of CVE-2026-106598 in the wild and no public exploit code.

Sources

Also known as GHSA-qq92-7647-pr7v.

Is CVE-2026-106598 in your software?

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