CVE-2026-105989 Accept PayPal Payments using Contact Form 7 < 4.0.7 - Unauthenticated Transaction Status Forgery

Medium 5.3 Published Updated

Unauthenticated attackers can forge transaction statuses and modify metadata on arbitrary posts due to missing authorization checks in the 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-2026-105989?

CVE-2026-105989 is a medium-severity missing authorization vulnerability in Unknown Accept PayPal Payments using Contact Form 7, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Accept PayPal Payments using Contact Form 7 WordPress plugin before 4.0.7 does not perform any authorization or request-validation checks on one of its AJAX actions, allowing unauthenticated attackers to forge the stored transaction status of records and to write the Accept PayPal Payments using Contact Form 7 WordPress plugin before 4.0.7's status metadata onto arbitrary posts.

Weakness: CWE-862

Which versions are affected by CVE-2026-105989?

How do I fix CVE-2026-105989?

No fix has been published for CVE-2026-105989 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-2026-105989 being exploited?

There is no known exploitation of CVE-2026-105989 in the wild and no public exploit code.

Sources

Also known as GHSA-29vq-ff64-7939.

Is CVE-2026-105989 in your software?

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