CVE-2026-66632 WordPress Simple Cloudflare Turnstile plugin <= 1.42.1 - Content Injection vulnerability

Medium 6.5 Published Updated

Unauthenticated attackers can inject malicious content into the Simple Cloudflare Turnstile WordPress plugin, potentially leading to code execution.

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-2026-66632?

CVE-2026-66632 is a medium-severity code injection vulnerability in Elliot Sowers/ RelyWP Simple Cloudflare Turnstile, published on 10 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated Content Injection in Simple Cloudflare Turnstile <= 1.42.1 versions.

Weakness: CWE-94

Which versions are affected by CVE-2026-66632?

How do I fix CVE-2026-66632?

No fix has been published for CVE-2026-66632 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-66632 being exploited?

There is no known exploitation of CVE-2026-66632 in the wild and no public exploit code.

Sources

Also known as GHSA-842g-p7m5-chc4.

Is CVE-2026-66632 in your software?

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