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Simple CAPTCHA with Cloudflare Turnstile

simple-cloudflare-turnstile · plugin

Known security vulnerabilities for Simple CAPTCHA with Cloudflare Turnstile. Find out in seconds which version runs on your site with WP Lens.

4 known vulnerabilities

3 exploitable without logging in · latest Sep 10, 2026

Listed on wordpress.org · latest 1.44.0 · last updated Sep 29, 2026 · 200K+ installs

wordpress.org status checked on Oct 2, 2026

Vulnerabilities

  • CVE-2026-66632unauthenticated≤ 1.42.1

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

    Medium 6.5

  • CVE-2026-66674unauthenticated≤ 1.42.1

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

    Medium 5.6

  • CVE-2023-5135contributor+≤ 1.23.1

    Simple Cloudflare Turnstile <= 1.23.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

    Medium 5.4

  • CVE-2026-40799unauthenticated≤ 1.38.0

    WordPress Simple Cloudflare Turnstile plugin <= 1.38.0 - Broken Authentication vulnerability

    Medium 5.3

The access label is read from the record's own text (e.g. “subscriber+”: subscriber and above). When the text names no role, CVSS decides between “login required” and “high privilege”; no role name is invented. “Needs a click”: the attack depends on a logged-in user following a link (CSRF, reflected XSS).

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