CVE-2026-107423 WordPress WP User Manager plugin <= 2.9.22 - Broken Access Control vulnerability

Medium 4.3 Published Updated

Attackers can bypass access controls in the WP User Manager plugin to perform unauthorized actions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-107423?

CVE-2026-107423 is a medium-severity missing authorization vulnerability in WP User Manager, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Missing Authorization vulnerability in WP User Manager WP User Manager wp-user-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP User Manager: from n/a through 2.9.22.

Weakness: CWE-862

Which versions are affected by CVE-2026-107423?

How do I fix CVE-2026-107423?

No fix has been published for CVE-2026-107423 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-2026-107423 being exploited?

There is no known exploitation of CVE-2026-107423 in the wild and no public exploit code.

Sources

Also known as GHSA-v34w-fghf-jc5c.

Is CVE-2026-107423 in your software?

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