CVE-2026-66674
WordPress Simple Cloudflare Turnstile plugin <= 1.42.1 - Captcha Bypass vulnerability
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
WordPress Simple Cloudflare Turnstile plugin <= 1.42.1 - Captcha Bypass vulnerability
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
- Record
CVE-2026-66674- CVSS 3.1
- 5.6 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-290
- Updated
- 2026-11-02
EUVDEUVD-2026-75512
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
- Record
EUVD-2026-75512- CVSS 3.1
- 5.6 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gw5r-wx4w-pfrp
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
- Record
GHSA-gw5r-wx4w-pfrp- CVSS 3.1
- 5.6 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-290
- Updated
- 2026-11-02
NVD
Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.
- Record
CVE-2026-66674- CVSS 3.1
- 5.6 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-290
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66674 is a medium vulnerability (CVSS 5.6) in Elliot Sowers/ Relywp Simple Cloudflare Turnstile, published September 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.