CVE-2026-18945 Missing authorization in WP Helper Premium

High 8.2 Published Updated

Unauthenticated attackers can view and modify arbitrary order data in WP Helper Premium if the optional order confirmation module is enabled.

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-2026-18945?

CVE-2026-18945 is a high-severity missing authorization vulnerability in Unknown WP Helper Premium, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WP Helper Premium WordPress plugin before 4.7.6 does not verify the order key when rendering its custom order confirmation page or when handling the related AJAX actions, allowing unauthenticated users to view other customers' order details, including personal information, as well as change the state of arbitrary orders.

Exploitation requires WooCommerce to be active and the WP Helper Premium WordPress plugin before 4.7.6's optional order confirmation page module to be enabled.

Weakness: CWE-639

Which versions are affected by CVE-2026-18945?

How do I fix CVE-2026-18945?

No fix has been published for CVE-2026-18945 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-2026-18945 being exploited?

There is no known exploitation of CVE-2026-18945 in the wild and no public exploit code.

Sources

Also known as GHSA-4mr5-p2q5-rxpw.

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