Is CVE-2026-66632 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-66632 being exploited in the wild.

How severe is CVE-2026-66632?

Medium severity, with a CVSS score of 6.5, published 10 September 2026.

Which products and versions are affected?

RelyWP Simple Cloudflare Turnstile <= 1.42.1.

Is there a fix for CVE-2026-66632?

A patch was published on 2026-09-08: Patched in version 1.42.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-66632 attacked?

It is attacked over the network.

Am I affected by CVE-2026-66632?

Check whether you run RelyWP Simple Cloudflare Turnstile at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-66632: Simple Cloudflare Turnstile content injection

Q: Is there a fix for CVE-2026-66632?

A patch was published on 2026-09-08: Patched in version 1.42.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-66632 attacked?

It is attacked over the network.

Q: Am I affected by CVE-2026-66632?

Check whether you run RelyWP Simple Cloudflare Turnstile at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-66632 · Severity: medium · CVSS 6.5 · Published 2026-09-10

Simple Cloudflare Turnstile is a WordPress plugin that provides bot protection for websites using Cloudflare's verification service. An unauthenticated content injection vulnerability allows attackers to inject malicious content, advertisements, or scam links into web pages without requiring user credentials. This can compromise site reputation, redirect visitors to malicious sites, or distribute malware.

Technologies: RelyWP Simple Cloudflare Turnstile. Vendors: RelyWP.

Quick answers

Is CVE-2026-66632 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-66632 being exploited in the wild.
How severe is CVE-2026-66632?: Medium severity, with a CVSS score of 6.5, published 10 September 2026.
Which products and versions are affected?: RelyWP Simple Cloudflare Turnstile <= 1.42.1.
Is there a fix for CVE-2026-66632?: A patch was published on 2026-09-08: Patched in version 1.42.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-66632 attacked?: It is attacked over the network.
Am I affected by CVE-2026-66632?: Check whether you run RelyWP Simple Cloudflare Turnstile at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is a content injection flaw (OWASP A3: Injection) in Simple Cloudflare Turnstile versions 1.42.1 and earlier. The plugin fails to properly sanitize or validate input, allowing unauthenticated attackers to inject arbitrary content into affected pages. No authentication is required to exploit this vulnerability, and the attack is network-accessible. Attackers can inject unwanted content such as advertisements, phishing links, or malware distribution code. The vulnerability has been patched in version 1.42.3 or later.

Affected products

RelyWP Simple Cloudflare Turnstile <= 1.42.1

Timeline

2026-09-08: disclosed: Vulnerability reported to Patchstack
2026-09-08: patched: Patched in version 1.42.3

References

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