Vulnerability · Published Sep 10, 2026 · Assigned by Patchstack
CVE-2026-66674WordPress Simple Cloudflare Turnstile plugin <= 1.42.1 - Captcha Bypass vulnerability
Medium 5.6
In plain English
A medium-severity authentication bypass by spoofing in Simple Cloudflare Turnstile from Elliot Sowers/ RelyWP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)0.3%top 83.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Elliot Sowers/ RelyWP | Simple Cloudflare Turnstile | n/a – through 1.42.1 |
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L