CVE-2026-22406 WordPress Overton theme <= 1.3 - Insecure Direct Object References (IDOR) vulnerability

Medium 5.4 Published Updated

Attackers can bypass access controls to read or modify unauthorized data in the Overton WordPress theme.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-22406?

CVE-2026-22406 is a medium-severity missing authorization vulnerability in Mikado-Themes Overton, published on 22 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Authorization Bypass Through User-Controlled Key vulnerability in Mikado-Themes Overton overton allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Overton: from n/a through <= 1.3.

Weakness: CWE-639

Which versions are affected by CVE-2026-22406?

How do I fix CVE-2026-22406?

No fix has been published for CVE-2026-22406 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-2026-22406 being exploited?

There is no known exploitation of CVE-2026-22406 in the wild and no public exploit code.

Sources

Also known as GHSA-wcrq-p45c-535j.

Is CVE-2026-22406 in your software?

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