CVE-2026-66674 PUBLISHED

WordPress Simple Cloudflare Turnstile plugin <= 1.42.1 - Captcha Bypass vulnerability

Assigner: Patchstack
Reserved: 27.07.2026 Published: 10.09.2026 Updated: 10.09.2026

Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS Score: 5.6

Product Status

Vendor Elliot Sowers/ RelyWP
Product Simple Cloudflare Turnstile
Versions Default: unaffected
  • affected from n/a to 1.42.1 (incl.)

Solutions

Update the WordPress Simple Cloudflare Turnstile Plugin to the latest available version (at least 1.42.3).

Credits

  • Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-290 Authentication Bypass by Spoofing CWE

Impacts

  • CAPEC-151 Identity Spoofing