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CVE-2026-15239

MEDIUM 5.3 CVSS 3.1
Published
August 7, 2026
Last modified
August 26, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-345
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Affected WordPress components

  • Simple CAPTCHA with Cloudflare Turnstile Plugin · simple-cloudflare-turnstile
    Confirmed match Active
    Before 1.42.0
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Simple CAPTCHA with Cloudflare Turnstile — Before 1.42.0

References

  • wpscan.com https://wpscan.com/vulnerability/28d3bda2-501c-4eeb-9184-c343367adbea/
  • nvd.nist.gov Official NVD record