Plugins · simple-cloudflare-turnstile · data as of 2026-11-04
Is Simple CAPTCHA with Cloudflare Turnstile safe? Known vulnerabilities and latest version
- Latest version
- 1.44.5
- Last updated
- 2026-10-31
- Active installs
- 200,000+
- Known issues on record
- 7
- Unpatched in latest
- 0
- Tested up to WP
- 7.1.4
Add Cloudflare Turnstile to WordPress, WooCommerce, Contact Forms & more. The user-friendly, privacy-preserving reCAPTCHA alternative. 100% free! — by Elliot Sowersby / RelyWP
What to do
- Update to the latest version (1.44.5). Anything older than 1.44.1 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
- If you cannot update right away, deactivate it until you can.
- Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
- If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.
With WP-CLI: wp plugin get simple-cloudflare-turnstile --field=version shows what you run; wp plugin update simple-cloudflare-turnstile updates it.
Check your version
Known vulnerabilities
7 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.
medium 5.3 CVE-2026-39741 · published 2026-10-29
Missing authorization check in Simple CAPTCHA with Cloudflare Turnstile (1.44.0 and older)
- Affected
- 1.44.0 and older
- Fixed in
- 1.44.1
- Access needed (per CVSS)
- No login needed
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Missing Authorization vulnerability in RelyWP Simple Cloudflare Turnstile simple-cloudflare-turnstile allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simple Cloudflare Turnstile: from n/a through 1.44.0.
medium 6.5 CVE-2026-85116 · published 2026-09-11
Content injection in Simple CAPTCHA with Cloudflare Turnstile (1.2.2 up to (not including) 1.42.3)
- Affected
- 1.2.2 up to (not including) 1.42.3
- Fixed in
- 1.42.3
- Access needed (per CVSS)
- No login needed
- Range from
- CVE record (the advisory publisher) · score by WPScan
Details from the advisory
The Simple CAPTCHA with Cloudflare Turnstile WordPress plugin from 1.2.2 before 1.42.3 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
medium 6.5 CVE-2026-66632 · published 2026-09-10
Content injection in Simple CAPTCHA with Cloudflare Turnstile (1.42.1 and older)
- Affected
- 1.42.1 and older
- Fixed in
- 1.42.3
- Access needed (per CVSS)
- No login needed
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Unauthenticated Content Injection in Simple Cloudflare Turnstile <= 1.42.1 versions.
medium 5.6 CVE-2026-66674 · published 2026-09-10
Security issue in Simple CAPTCHA with Cloudflare Turnstile (1.42.1 and older)
- Affected
- 1.42.1 and older
- Fixed in
- 1.42.3
- Access needed (per CVSS)
- No login needed
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
medium 5.3 CVE-2026-15239 · published 2026-08-07
Security issue in Simple CAPTCHA with Cloudflare Turnstile (older than 1.42.0)
- Affected
- older than 1.42.0
- Fixed in
- 1.42.0
- Access needed (per CVSS)
- No login needed
- Range from
- CVE record (the advisory publisher) · score by WPScan
Details from the advisory
The Simple CAPTCHA with Cloudflare Turnstile WordPress plugin before 1.42.0 does not bind its Turnstile validation cache to the single-use challenge token in its Forminator integration, instead keying it to an attacker-controlled, reusable request value, allowing unauthenticated attackers to solve one challenge and then replay token-less form submissions for a short window, defeating the anti-abuse protection the plugin provides.
medium 5.3 CVE-2026-40799 · published 2026-06-15
Authentication bypass in Simple CAPTCHA with Cloudflare Turnstile (1.38.0 and older)
- Affected
- 1.38.0 and older
- Fixed in
- 1.38.1
- Access needed (per CVSS)
- No login needed
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Unauthenticated Broken Authentication in Simple Cloudflare Turnstile <= 1.38.0 versions.
medium 5.4 CVE-2023-5135 · published 2023-09-27
Stored cross-site scripting (XSS) in Simple CAPTCHA with Cloudflare Turnstile (1.23.1 and older)
- Affected
- 1.23.1 and older
- Fixed in
- 1.23.2 *
- Access needed (per CVSS)
- Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by NVD
Details from the advisory
The Simple Cloudflare Turnstile plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gravity-simple-turnstile' shortcode in versions up to, and including, 1.23.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
NVD CVE-2023-5135Wordfence advisoryCode change (fix)Plugin source
Recent activity
- 2026-10-31 — latest release on wordpress.org (1.44.5).
- 2026-10-29 — Missing authorization check disclosed (CVE-2026-39741), fixed in 1.44.1.
- 2026-09-11 — Content injection disclosed (CVE-2026-85116), fixed in 1.42.3.
- 2026-09-10 — Content injection disclosed (CVE-2026-66632), fixed in 1.42.3.
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Browse vulnerabilities
- Published this week
- Unpatched in the latest version
- By type of vulnerability
- Plugins by Elliot Sowersby / RelyWP (2 tracked)
Types found in this plugin: Content injection (2) · Missing authorization (1) · Authentication bypass (1) · Cross-site scripting (XSS) (1)
Where this data comes from
- Version, last update, installs: wordpress.org/plugins/simple-cloudflare-turnstile (Plugins API), fetched 2026-11-04.
- Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
- Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.
Badge for your site or docs (states facts with a date, not a verdict):
<a href="https://laskyr.com/plugins/simple-cloudflare-turnstile"><img src="https://laskyr.com/plugins/simple-cloudflare-turnstile/badge.svg" alt="Simple CAPTCHA with Cloudflare Turnstile vulnerability status"></a>