CVE-2026-66660 WordPress Contact Form 7 – PayPal & Stripe Add-on plugin <= 2.5.1 - Broken Access Control vulnerability

Medium 6.5 Published Updated

Unauthenticated attackers can bypass access controls in the Contact Form 7 PayPal & Stripe Add-on plugin, potentially accessing restricted functionality.

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-2026-66660?

CVE-2026-66660 is a medium-severity missing authorization vulnerability in Scott Paterson Contact Form 7 – PayPal & Stripe Add-on, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated Broken Access Control in Contact Form 7 – PayPal & Stripe Add-on <= 2.5.1 versions.

Weakness: CWE-862

Which versions are affected by CVE-2026-66660?

How do I fix CVE-2026-66660?

No fix has been published for CVE-2026-66660 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-2026-66660 being exploited?

There is no known exploitation of CVE-2026-66660 in the wild and no public exploit code.

Sources

Also known as GHSA-94fv-c543-8j9g.

Is CVE-2026-66660 in your software?

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