CVE-2026-97661 Business Essentials for Contact Form 7 <= 1.2.1 - Unauthenticated Stored Cross-Site Scripting via 'gateway' Form Field

High 7.2 Published Updated

Unauthenticated attackers can inject arbitrary scripts via the gateway field if the Payments module is enabled with PayPal and Stripe configured.

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-2026-97661?

CVE-2026-97661 is a high-severity cross-site scripting vulnerability in scottpaterson Business Essentials for Contact Form 7, published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Business Essentials for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gateway' Form Field in all versions up to, and including, 1.2.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the Payments module to be enabled and a form to be configured to accept both PayPal and Stripe as payment gateways.

Weakness: CWE-79

Which versions are affected by CVE-2026-97661?

How do I fix CVE-2026-97661?

No fix has been published for CVE-2026-97661 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-97661 being exploited?

There is no known exploitation of CVE-2026-97661 in the wild and no public exploit code.

Sources

Also known as GHSA-h887-w8fc-499x.

Is CVE-2026-97661 in your software?

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